Abbeville, South Carolina CNN —  

Joe Biden said he is “embarrassed” for South Carolina Sen. Lindsey Graham over the Republican’s willingness to do President Donald Trump’s bidding and investigate the former vice president’s actions in Ukraine.

“Lindsey is about to go down in a way that I think he’s going to regret his whole life,” Biden told CNN’s Don Lemon in an interview Friday in South Carolina.

Asked what he would say to Graham, who in the past had expressed his admiration for his long-time Senate colleague, Biden said: “I say Lindsey, I just – I