Analyst mocks GOP senator who now has Trump's 'knife firmly in his back'

President Donald Trump is coming to end the political career of a U.S. senator who has stuck his neck out for him, Joe Perticone wrote for The Bulwark on Tuesday — and it's a sight to behold.

"Republican elected officials, GOP operatives and staffers, military officers, and White House chiefs of staff seem to never learn that when they hand over their trust and loyalty to Trump, they can’t count on the president repaying it in kind," wrote Perticone. "Louisiana Sen. Bill Cassidy is the latest...