Sen. Coons says he's "confident" Joe Biden will run in 2020 race
Former Vice President Joe Biden leads a new Iowa poll of potential 2020 Democratic candidates. Sources tell CBS News he is preparing for a presidential run. One of the people he talking to about his plans is Sen. Chris Coons. In 2010, the Delaware Democrat won the seat Biden had vacated. Coons joins "CBS This Morning" to discuss the crowded 2020 field of Democratic hopefuls.