What a Warren campaign endorsement would mean for Biden

Aired: 8/24/2015 | 0:07:19 | Clip
A meeting with Democratic Sen. Elizabeth Warren turned attention back to the question of whether Vice President Joe Biden will run for president in 2016. Amy Walter of the Cook Political Report and Tamara Keith of NPR join Judy Woodruff to discuss a Biden bid, whether Sen. Bernie Sanders is lacking support among African-Americans, plus how the Trump “bump” is affecting GOP candidates.