Will delegate details undo Trump’s nomination hopes?

Aired: 4/11/2016 | 0:08:14 | Clip
Sen. Ted Cruz picked up delegates in Colorado, once again challenging Donald Trump’s hopes for an uncontested convention. Amy Walter of The Cook Political Report and Tamara Keith of NPR join Judy Woodruff to discuss how each candidate is following a different path to the convention and the rivalry between Sen. Bernie Sanders and Hillary Clinton ahead of the New York primary.