With terrorist groups like al Qaeda, you can't learn what you want to learn about their capabilities and their future plans by taking a picture of it, and they've learned not to use the telephone.

We know that al Qaeda is seeking radioactive materials and technology to launch a devastating attack, and that hundreds of radioactive sources have been lost or stolen in the U.S. and around the world.

Unsettling signs of al Qaeda's aims and skills in cyberspace have led some government experts to conclude that terrorists are at the threshold of using the Internet as a direct instrument of bloodshed.

Involvement in Afghanistan, I thought, was totally warranted. We were attacked, we attacked back, but after six months of being in Afghanistan, I thought we had pretty well effectively wiped out al Qaeda.

There are many causes of violent deaths in America - murders and traffic accidents - that we do not approach with the same 'no price too steep, no task too difficult' approach that we take toward al Qaeda.

No one should be surprised when Osama bin Laden and al Qaeda detonate a weapon of mass destruction in the United States. I don't believe in inevitability. But I think it's pretty close to being inevitable.

This body, the United States Congress, was united, Republicans and Democrats alike, in taking that action, toppling the Taliban government, and working to try and root out al Qaeda and find Osama bin Laden.

While it may be true that the UAE has been an ally since the September 11, 2001, attacks, the American people know it has also harbored and aided some of the al Qaeda agents who were involved in that attack.

Saddam, as most tyrants, was a total control freak. He wanted total control of his regime. Total control of the country. And to introduce a wild card like Al Qaeda in any sense was just something he would not do.

Leaders at the top of al Qaeda's hierarchy, the evidence shows, completed plans and obtained the materials required to manufacture two biological toxins - botulinum and salmonella - and the chemical poison cyanide.

Al Qaeda has no place in Pakistan. It's a threat to Pakistan. And there should be a convergence of interests between the Pakistani state and the West on security issues, but also on wider economic and social issues.

Al Qaeda's vision of global jihad doesn't resonate in the rugged highlands and windswept deserts of southern Afghanistan. Instead, the major concern throughout much of the country is intensely local: personal safety.

A militant's profile lies not in his age, race, culture, or education; anyone can join or be adopted by the al Qaeda network, the only prerequisite being a willingness to accept the group's radical, cultlike ideology.

It has never demonstrated any desire to provide humane treatment to captured Americans. If anything, the murders of Nicholas Berg and Daniel Pearl declare al Qaeda's intentions to kill even innocent civilian prisoners.

Al Qaeda's message that violence, terrorism and extremism are the only answer for Arabs seeking dignity and hope is being rejected each day in Tunisia, Egypt, Libya, Syria, Yemen, Bahrain and throughout the Arab lands.

As you will recall, soon after the 9/11 attacks, an international coalition led by the United States conducted an impressive campaign to defeat the Taliban, al Qaeda, and other associated extremist groups in Afghanistan.

Al Qaeda is not the organization now that it was before. It is under stress organizationally. Its leadership spends more time trying to figure out how to keep from getting caught than they do trying to launch operations.

The plan we developed to deal with al Qaeda depended on developing sources of human and technical intelligence that could give us insights into his plans at the tactical level. This is easy to say but hard to accomplish.

We know that al Qaeda in the Arabian Peninsula has some very dangerous, very important leaders who are tied directly to the top leadership of al Qaeda central, including a man who was formerly Osama bin Laden's secretary.

The inattention of the Bush administration to the threat from al Qaeda had results. Shortly before 9/11, Bush's attorney general, John Ashcroft, turned down FBI requests for some 400 additional counterterrorism personnel.

Among all the upheavals of war with al Qaeda, the surest indicator of the historic stakes is the ongoing rotation of top U.S. government managers - scores at a time - into a bunker deep underground and far from Washington.

Whether core al Qaeda or its offshoots like AQAP, ISIS, or the many others - we are working with our partners to find and disrupt them, wherever they are, whether they're plotting attacks on Americans here at home or abroad.

Bush administration officials, of course, deny that they didn't take the threat urgently enough, but there is no debating that in their public utterances, private meetings, and actions, the al Qaeda threat barely registered.

If al Qaeda or any other enemy of our country manages to create a situation or explode a bomb or murder or incapacitate large numbers of our people, we cannot wait for 7 weeks of a special election in order to deal with that.

The term 'Muslim Brotherhood'... is an umbrella term for a variety of movements: in the case of Egypt, a very heterogeneous group, largely secular, which has eschewed violence and has decried Al Qaeda as a perversion of Islam.

The special reverence that al Qaeda had for Sheikh Rahman was underlined by a two-hour propaganda videotape that the group's media division released in the spring of 2001, when the 9/11 attacks were in their final planning phase.

Al Qaeda has significance beyond its numbers, frankly. And so for us, our 24-hour-a-day objective is to seek out those al Qaeda cells. And, as we seek them out, to target them and eliminate them. And we're doing that 24 hours a day.

If the practice is torture for the al Qaeda operative who masterminded the killing of three thousand Americans, why weren't there court-martials in the cases of those thousands of servicemen similarly treated as part of their training?

Al Qaeda operates by launching surprise attacks on civilian targets with the goal of massive casualties. Our only means for preventing future attacks, which could use WMDs, is by acquiring information that allows for pre-emptive action.

Human-rights advocates, for example, claim that the mistreatment of Iraqi prisoners is of a piece with President Bush's 2002 decision to deny al Qaeda and Taliban fighters the legal status of prisoners of war under the Geneva Conventions.

In October 2008, American commandos launched a cross-border raid into Syria to capture an Islamic militant known as Abu Ghadiya. He was accused of being one of al Qaeda in Iraq's main smugglers of fighters and money between Iraq and Syria.

In my book, I detail the critical information we obtained from al Qaeda terrorists after they became compliant following a short period of enhanced interrogation. I have no doubt that that interrogation was legal, necessary and saved lives.

One of the most missed components of the entire insurgency in Iraq was that Syria and Bashar al-Assad facilitated Al Qaeda's operations in Iraq. They actually headquartered the Iraq Ba'ath Party and all of their escaped generals in Damascus.

When I was commander of Central Command, obviously we were very concerned about the developments in Yemen, the developments in Somalia and elsewhere, in Africa and so forth. But the al Qaeda senior leadership is under unprecedented pressure.

Hydrogen peroxide-based bombs were used in the London bombings in 2005; in al Qaeda's foiled plot to attack subways in New York City in 2009 and also in the ISIS-directed Paris attacks in 2015 and the ISIS-directed attacks in Brussels a year later.

The forces that led to radical Islam, the Muslim Brotherhood, Al Qaeda, Islamic State, can ultimately only be defeated by moderate Muslims around the globe, countries like U.A.E. that have led the fight within their own border to promote tolerance.

Al Qaeda is nothing more than a mutant supply chain. They're playing off the same platform as Wal-Mart and Dell. They're just not restrained by it. What is al Qaeda? It's an open source religious political movement that works off the global supply chain.

My goal, if I could have an ultimate goal, is to have new leaders emerge from within the Muslim community who are not defensive: who, day in, day out, are willing to denounce radicalizations, denounce the attempts by al Qaeda to go into their communities.

When Rumsfeld gets up on television and says we have definitive intelligence that al Qaeda is working with Iraq, how is an ordinary citizen supposed to react? They won't tell you the evidence, and when anyone asks, they say, 'Well, you know: It's secret.'

Once the attacks occur, as we learned on Sept. 11, it is too late. It makes little sense to deprive ourselves of an important, and legal, means to detect and prevent terrorist attacks while we are still in the middle of a fight to the death with al Qaeda.

Well, our position, and our chairman has talked about this extensively, is that we had a lot of intelligence prior to 9/11. We knew that two al Qaeda operatives who ultimately participated in the 9/11 disaster were in the United States. We didn't find them.

I was a case officer, otherwise known as an operations officer. My role was to go out and convince Al Qaeda operatives to instead work with us as well as to convince people and officials in foreign governments to work on behalf of the U.S. government secretly.

The rise of ISIS starts with a Jordanian thug named Abu Musab al-Zarqawi who founded ISIS' parent organization, al Qaeda, in Iraq. What gave Zarqawi the opportunity to create al Qaeda in Iraq? It was, of course, George W. Bush's decision to invade Iraq in 2003.

Al Qaeda's leaders seek to reverse what they claim are corrupt Islamic practices bookended by the Mongol invasions in 1256 and Ataturk's ending the caliphate in 1924. Theirs is a fight to turn Islam's clock back to the time of Prophet Muhammad's original followers.

The reason we are doing these types of pat downs and using the advanced imagery technology is trying to take the latest intelligence and how we know al Qaeda and affiliates want to hurt us, they want to bring down whether it is passenger air craft or cargo aircraft.

The Taliban, broadly speaking, are Afghans - farmers, subsistence farmers. As I say, most of those people can't find the United States on the map. Al Qaeda, traditionally, are much more educated, middle-class people, often from Egypt, from Saudi Arabia, North Africa.

'Horse Soldiers' is the untold story of how a small band of U.S. Special Forces soldiers secretly entered Afghanistan in 2001, just five weeks after September 11, saddled up on horses, and rode to an improbable victory against a vastly larger Taliban and Al Qaeda army.

Mr. Speaker, we are a blessed Nation. We have not suffered another attack on our soil since September 11, and we are grateful. We have killed or captured dozens of members of al Qaeda and the Taliban. Our military and intelligence forces are working both hard and smart.

Basically, Islamic State is a combined al Qaeda and Lebanese Hezbollah on steroids, destabilizing the region, dissolving borders/changing the political geography in the Mid-east, and hardening political positions that make Mid-east peace-building more remote by the day.

When ISIS and al Qaeda have attacked or plotted attacks in the West in the past decade or so, they have invariably used hydrogen peroxide-based bombs because acquiring military-grade explosives or dynamite is nearly impossible for would-be terrorists in Western countries.

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