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.

Liz Cheney and touting an endorsement from her father, former Vice President and Iraq War architect Dick Cheney. The pitch bombed with Republicans, as Democrats’ share of moderates and independents fell and overall Democratic support crumbled ...