Charlie Black, long-time Republican strategist and former lobbyist for Donald Trump, praised his party's current frontrunner as "brilliant" but predicted he will not lead the GOP pack much longer."Donald Trump, in addition to being a friend, he's a brilliant businessman, he's a great celebrity,knows how to milk that for everything, and he's a good entertainer," Black said in an interview Monday with John Heilemann and Mark Halperin on With All Due Respect. "So naturally, he's getting a lot of attention from the press and from a lot angry voters."But Black, who has advised Republicans for years—including Ronald Reagan, George W. Bush, and John McCain—also said that with the debates coming up, Trump will likely not emerge from the Republican primary season on top."He will not be president, he will not be the nominee," Black added. "He'll go through a few primaries, I think, and then as the other candidates get better known and people figure out their credentials and where they stand, I think Donald is likely to finish third, fourth, or lower in the first few primaries. I don't know what he'll do after that, but he will not get the daily attention from the six or seven networks that he's getting now."