Donald Trump was back on his home turf last night, a Las Vegas casino emblazoned with his name. He told a crowd of more than 1,000 people, including a Trump impersonator, “Our leaders are stupid, they are stupid people,” and, “It's just very, very sad.” In a profanity-strewn speech, he went on to blast President Obama's handling of Libya, Iraq, China, and Afghanistan—where he lamented the building of schools—and promised not to help South Korea or Libya without payment. He also promised to use swear words in negotiations with China. He flew to Nevada from New Hampshire, which is set to host the first presidential primary in 2012. Nevada's caucus is third.