“Do you think, senator, that you should have spoken up more? Do you regret that you didn’t speak up more? And why is it so difficult for Republicans to speak up against this president when they don’t believe what he’s doing?” host Gayle King asked Flake on “CBS This Morning.”

“Well, because they want to keep their jobs, and the president is extremely popular among Republican primary voters,” Flake said. “That is a subset of a subset of a subset. But they are those who decide who represents the party and the general election.”