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 gets in the... - Anderson Cooper 360

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Harvard Law School professor &... - Anderson Cooper 360

Anderson Cooper's emotional tribute to Orlando victims

Anderson Cooper's fake family.... - Live with Kelly and Mark

Anderson Coopers sits on emperor’s 2,000-year-old steps