Peter L. Bergen

President Obama has said he wouldn't send more troops to Afghanistan if he didn't think the security of the American people was at stake. Peter Bergen gives us an update on the threat: what's left of the Taliban and its connection to al-Qaida.

Peter Bergen is a former correspondent/producer and current terrorism consultant for CNN, and the author of the book Holy War Inc.: Inside the Secret World of Osama bin Laden. (The Free Press) It both a biography of Bin Laden and an explanation of bin Laden global network. While at CNN, Bergen produced bin Laden first TV interview, filmed at his mountain hideout in Afghanistan. Bergen has written about Islamist militant groups for The New Republic, London Daily Telegraph and The Washington Times.