Donald Trump supporters walked out of a delegate election in Georgia Saturday to protest a vote that robbed Trump of all of his slated delegates from a district that he won in the primary. A Cruz-Rubio alliance at the district convention in Buford, Georgia helped to knock Trump supporters out of the district’s national delegation altogether. Cruz supporters implied that Trump’s people would “embarrass” the district at the convention in Cleveland. Then things got heated. “This morning, I attended Georgia 7th Congressional District GOP convention as a delegate and a Donald Trump supporter. We were there to elect the 3...