Donald Trump and Chris Christie
Donald Trump (left) and Chris Christie (right).
  • Chris Christie says Trump's "act" and fixation on past grievances is getting old.
  • Christie commented on ABC about Trump's rambling, post-arrest speech at Mar-a-Lago.
  • Christie said the speech made Trump sound like a man "'griping to you about his bad divorce."

Former New Jersey Gov. Chris Christie says former President Donald Trump's fixation on the past is getting tired and overblown.