Illustration by Sarah Rodgers/ The Daily BeastWhile the rest of the GOP field plays nice, Scott Walker is very much on the attack—and he’s not making many friends in the process. In the waning days of the 2014 elections, Chris Christie arrived in Ohio to campaign for his fellow Republican John Kasich. At a rally for over 700 people in the town of Independence, the Ohio governor said of his New Jersey counterpart that, “among all the governors, he’s my best friend.” The audience let out a collective “awww.” The two were shown the next day on the front of...