It is hard to imagine two more final endings to the 'war on terror' than the popular revolts against the authoritarian regimes in the Middle East and the death of bin Laden.
Bin Laden was intelligent, well-informed, and low key. The people around him treated him with great deference, calling him 'sheikh,' a term of respect.
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.
I've interviewed multiple people who know bin Laden... who tend to have a universal picture of what he's like, which is: modest, retiring, unassuming, kind of thoughtful - lots of things that don't fit with a mass murderer, which he is as well.
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.
Will there be a political backlash against British Prime Minister Theresa May, whose ruling Conservative Party is traditionally seen as 'stronger' on terrorism than its main rival, the Labour Party?