Cheney Trump
Former Rep. Liz Cheney of Wyoming, left, and former President Donald Trump.
  • Liz Cheney said former President Trump has already tried to remain in office and would do so again.
  • The ex-congresswoman made the remarks on NBC's "Today," where she spoke out against his candidacy.
  • Cheney's forthcoming book, "Oath and Honor," will be released on Tuesday.

Former Rep. Liz Cheney on Monday said "there's no question" that former President Donald Trump will refuse to leave office if he wins a second term next year and warned that a vote for the ex-president "may mean the last election that you ever get to vote in."