WASHINGTON (AP) — When Donald Trump acquired a pair of Atlantic City casinos in the mid-1980s, he pitted his managers against each other in a ferocious competition over everything from booking entertainers to attracting high-rolling gamblers. That one of those managers was his wife, Ivana Trump, didn't earn her any slack. Trump's penchant for encouraging rivalries is now roiling his Republican presidential campaign as he plunges into the general election.Read more on NewsOK.com