In this March 9, 2016, file photo, Sen. Jeff Flake, R-Ariz., on Capitol Hill in Washington. Congressional Republicans are beginning to accept, and even embrace, an outcome that was once unthinkable: Donald Trump as the GOP presidential nominee. “He’s looking more inevitable, yeah. I’ve been wrong all along,” said Flake, an outspoken Trump critic. “My feeling about Donald Trump is, I don’t think that that’s our best foot forward at all. And I can’t imagine being forced to take some of those positions that he’s taken. A ban on Muslims, build a wall and make the Mexicans pay for it, you name it."