A former federal prosecutor predicted that Donald Trump had an “appreciable chance of dying in prison” if he were to lose the upcoming presidential election, RadarOnline.com has learned. Noting the volume of pending criminal charges against the ex-president, Harry Litman —who was a U.S. attorney for the Western District of Pennsylvania during the Clinton Administration — said he suspected a loss for Trump in November would lead the presumptive 2024 GOP candidate to live out the rest of his life behind bars. “If he doesn’t win, he has an appreciable chance of dying in prison,” Litman said on th…