The choice of Kevin Costner to support Rep. Liz Cheney in the Wyoming Republican primary did not impress everyone. The actor, who portrays a Montana rancher in Paramountâs popular streaming series âYellowstone,â sparked political controversy by posing for a picture while sporting a âIâm for Liz Cheneyâ T-shirt. The picture went viral after the congresswoman shared it on social media on Monday. The challenger in the August 16 GOP primary, Ms. Cheney, stated that âreal men put nation over party.â The celebrity endorsement sparked debate on social media about Mr. Costnerâs political credentials and if the starâs backing will benefitâŚ