He’s being undermined by fellow Republicans, and that’s before he shows up to lead a workforce Trump distrusts.

Unlike many of President-elect Donald Trump’s nominees, Rubio is a shoo-in for Senate confirmation, having already nabbed some Democratic support. U.S. diplomats and foreign officials, too, view the GOP senator from Florida as a knowledgeable, not-insane, well-behaved person with whom they can engage.

Rubio’s committee hearing is set for Wednesday and he’s expected to be one of the first Trump nominees to take up his post.

But he’ll be lucky to last a year at Foggy Bottom. Rubio already is being undermined — through push-back from Trump’s MAGA base, the naming of other Trump appointees with overlapping portfolios as well as the essentially weak nature of the position he’s inheriting. In my conversations with about a dozen current and former U.S. and foreign officials, even people who want him to succeed said they thought he might last two years max. Others said less than a year.