Donald Trump recalls with chagrin that he supported Barack Obama for president in 2008, but says he now realizes that those moving hope-and-change speeches were nothing more than rhetoric. "I thought he was a positive person, always," Trump said of candidate Obama. "I thought he'd be like a cheerleader for the country. I think he is creating a class warfare that is a very dangerous thing for the country." And the country "is blowing up" because it's so deeply divided, he said. "I've never seen this country in this kind of trouble before, and a true leader wouldn't let that...