As Michael Scheuer, who ran the C.I.A.'s bin Laden unit until 1999, has pointed out, if bin Laden believed in Christmas, the Iraq war would be his perfect present from Santa Claus. The 9/11 attacks and the subsequent war in Afghanistan severely damaged bin Laden's organization. -Peter Bergen Christmas
An intelligence officer and historian, Rayburn published a 2014 book, 'Iraq After America,' which is a must-read for anyone who wants to understand how Iraq descended into chaos in the years after the American troop withdrawal at the end of 2011. -Peter Bergen Intelligence
When news of the first plane's hitting the World Trade Center reached them, bin Laden's followers exploded with joy. But shrewder members of al-Qaeda and the Taliban leadership in Afghanistan realized that the attacks might not be the stunning victory that bin Laden, and many in the West, took them to be. -Peter Bergen Leadership
The 9/11 attack itself played out around the world, with planning meetings in Malaysia, operatives taking flight lessons in the United States, coordination by plot leaders based in Hamburg, and money transfers from Dubai - activities overseen by al-Qaeda's senior command from secure bases in Afghanistan. -Peter Bergen Money
On November 28, 2016, Abdul Razak Ali Artan, an 18-year-old legal resident of the United States whose family was originally from Somalia, used a car to mow down a group of people at the Ohio State University. -Peter Bergen Legal
The hard reality is that attacks by vehicles in public places are very hard to defend against in a free and open society. The best defense against such attacks is good intelligence, and that often comes from inside the Muslim community. -Peter Bergen Intelligence
The senior director at the NSC for the Middle East is retired Col. Derek Harvey, an Arabic-speaking intelligence officer with a Ph.D. who served as the head of the U.S. military cell examining the insurgency in Iraq in 2003. -Peter Bergen Intelligence