“He’s a coward. A real man wouldn’t lie to his supporters. He lost his election and he lost big. I know it, he knows it and, deep down, I think most Republicans know it,” Cheney says. He goes on to say that he “voted with pride” for his daughter, who is vice-chairman of the House select committee investigating the January 6, 2021 uprising. “There is nothing more important that she will ever do than lead the effort to make sure that Donald Trump will never be near the Oval Office again.” Although Cheney has occasionally criticized the policies of Trump and his administration, the new ad underscores his deep opposition to the former president, who has made defeating Liz Cheney a top political priority after voting to impeach him last year and remaining staunch critic. endorsed Harriet Hagman in the Aug. 16 primary, who is one of four challengers taking on the three-term congresswoman for the at-large House seat. Her opponents have attacked Cheney for her role as one of two Republicans on the Jan. 6 panel and have dismissed the importance of that investigation. Like Trump, Hageman has made false claims about the 2020 election, citing the movie “2000 Mules” peddling conspiracy theories about the polls and “Zuckerberg money” — a reference to donations from its founder Facebook Mark Zuckerberg and his wife Priscilla Chan, through a nonprofit organization to help local election officials deal with the coronavirus pandemic. CNN’s Eric Bradner and David Wright contributed to this report.