Liz Cheney and her father, former Vice President Dick Cheney, on Vice President Kamala Harris’ presidential campaign. The Democrats enlisted Ms. Cheney in a bid to show that people within Mr. Trump’s party don’t agree with him or stand with him.

The Kamala Harris team was warned of campaigning with Republican Liz Cheney, according to sources—but carried on with it anyway. In an article published by Rolling Stone, several staffers questioned the choice of bringing Cheney on the campaign trail given her and her father Dick Cheney’s background.