The GOP Becomes Trump’s Hostage

In an era of straight-ticket voting, candidates use party labels as cudgels to demand loyalty from congressional leaders and the rank and file.

FILE - In this May 26, 2016 file photo, Republican presidential candidate Donald Trump speaks in Billings, Mont., Thursday, May 26, 2016. Trump says comments on judge 'misconstrued' as an attack against people of Mexican heritage.
AP Photo/Brennan Linsley