Donald Trump on Saturday gave a speech in Las Vegas, Nevada, in which he made multiple verbal slip ups and blunders. The internet wasn’t forgiving. The ex-president’s speech included an extensive portion about his purported past cognitive tests, as well as a claim that he is smart because he has the “same genes” as his uncle who was a professor at MIT. But that didn’t convince numerous onlookers, who were quick to point out Trump’s various mistakes. At one point, Trump said, “We got Mexico to send two thousand, twenty eight thousand troops.” Bruce Heyman, former United States Ambassador to Can…