Prominent Republicans rejected Trump as the apparent Republican presidential nominee. Trump’s vice president, Mike Pence said he would not endorse Trump for president, and President George W. Bush’s vice president, Dick Cheney (the father of former Wyoming Republican representative Liz Cheney), released a video opposing Trump’s presidential run, warning: “In our nation’s 246-year history, there has never been an individual who was a greater threat to our republic than Donald Trump.”