Why the electability equation isn’t yet on voters’ minds

Aired: 8/17/2015 | 0:07:32 | Clip
Are the summer surges enjoyed by Donald Trump and Sen. Bernie Sanders a sign of real political momentum, or just a passing fancy for voters? Judy Woodruff talks with Amy Walter of the Cook Political Report and Tamara Keith of NPR about Trump’s official stance on immigration and whether talk of Hillary Clinton’s emails is drowning out her campaign.