Anderson Cooper on coping with his grief: 'Shouldn’t I be over this?'

"The Whole Story with Anderson Cooper" returns with an urgent examination of the history of political violence in the US. "Political Violence: America's Bloody History" with CNN anchor and senior national correspondent Sara Sidner premieres Saturday at 8pm ET/PT on CNN. | CNN

Anderson Cooper Has A Laugh Attack

Anderson Cooper: "The war has changed"

CNN - Join Anderson Cooper for your first look at what’s...

Anderson Cooper: When courage is called for but cowardice answers