The Conversation: The Suicide Bombing of CIA Workers in Afghanistan

Dec. 31, 2009— -- ABC's David Muir chats with Nick Schifrin via Skype in Kabul, Afghanistan, about Wednesday's suicide bomb attack on a U.S. base.

The bomber was disguised as a soldier in the Afghan army. The detonation killed seven CIA workers, making it the deadliest aggression against the U.S. agency in decades.

All this is in the mix in today's Conversation.