At final debate before first votes are cast, Biden and Warren remove their gloves
02:03
Share this -
copied
Sen. Elizabeth Warren and Sen. Bernie Sanders' escalating feud was brought into the spotlight during the final debate before the first votes are cast in Iowa. Brian Williams discusses.Jan. 15, 2020
UP NEXT
The Last Thing: Remembering Tyre Nichols
02:23
Culture of policing in America
06:01
Videos released in fatal beating of Tyre Nichols
08:12
The Last Thing: Love thy neighbor
01:43
Five ex-officers charged in Memphis police killing