IE 11 is not supported. For an optimal experience visit our site on another browser.

What's behind the enthusiasm surge for Elizabeth Warren in new poll?

04:54

A new NBC/Wall Street Journal poll shows 64% of Democratic primary voters are enthusiastic about having Elizabeth Warren as a candidate. MoveOn.org Chief Public Affairs Officer Karine Jean-Pierre and former Pennsylvania Congressman Ryan Costello discuss the factors behind Warren's spike in popularity.