CBS This Morning: Breaking down the Democratic primary race after Iowa
As Iowa caucus results slowly filter in with positive results for Pete Buttigieg and Bernie Sanders, many wonder what Joe Biden's lackluster performance cou...
John Dickerson is co-anchor of the "CBS Evening News." He is also a Contributing Writer to The Atlantic and is co-host of the Slate Political Gabfest
As Iowa caucus results slowly filter in with positive results for Pete Buttigieg and Bernie Sanders, many wonder what Joe Biden's lackluster performance cou...