Talk of rules dominates the campaign trail

Aired: 4/21/2016 | 0:02:41 | Clip
Rules took center stage in the election cycle Thursday, as Donald Trump and Sen. Ted Cruz clashed over rules regulating transgender people’s access to restrooms. Meanwhile, RNC officials left the Republican party’s rules unchanged going into July’s convention, and Bernie Sanders decried New York rules that may have disenfranchised thousands of voters. John Yang reports.