From How does it feel to be "aggressively interrogated"? Christopher Hitchens found out for himself, submitting to a brutal waterboarding session in an effort to understand the human cost of America's use of harsh tactics at Guantánamo and elsewhere. VF.com has the footage. Related: "Believe Me, It's Torture," from the August 2008 issue,

Interview conducted by David Rose and filmed by Arya Surowidjojo.