Former President Donald Trump will most probably flee the debate stage Thursday night — if he makes an appearance at all, a USA Today columnist argued Wednesday. Trump is slated to face President Joe Biden in a closed-set CNN debate moderated by Jake Tapper and Dana Bash, which columnist Rex Huppke believes is likely scaring the pants off the former president. “There’s a strong chance the former president chickens out and runs to the safety of a rally where he can comfortably air his myriad grievances and extract money from his gullible fans,” Huppke writes. Want more breaking political news? …