Donald Trump shushed Jeb Bush during a feisty exchange between the two Republican candidates on eminent domain. Trump was asked a question about eminent domain and he defended it, provoking Bush to interject that Trump used it to build a "limousine parking lot for his casino in Atlantic City." When Bush moved to interrupt the real estate mogul, Trump raised one finger to his lips. "Quiet," Trump said to Bush. The audience booed, and Trump said the booing was because of all the wealthy donors in the audience. "The RNC told us we have all donors in the audience. And...