A prison-bound Donald Trump is living rent-free in Fox News host Jesse Watters’s head. And in the vision — the former president is shredded. “Democrats think locking up Trump locks up America First,” Watters quipped with a daring tone. “But it doesn’t. Makes it stronger. You ever see the prison bodies on inmates?” His fixation on Trump being sentenced to prison time could turn the man into a MAGA martyr; but also inspire him to pump iron like a beast. Want more breaking political news? Click for the latest headlines at Raw Story. The sentiment mimics Watters’ hot take from last month. “Trump i…