(CNN) – You're fired! You're hired! That's it.
It was so seamless on the Apprentice.
But that was TV. In the real world, as president, things are are much more difficult for Donald Trump, which is how the U.S. comes to be facing the possibility of military action against Iran without a confirmed Secretary of Defense.
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It's also how the U.S. is facing what Trump calls a national emergency at the border with Mexico without a permanent Secretary of Homeland Security.
And on the flip side, it's why Trump is stuck with the Federal Reserve Board Chairman he nominated in 2017 but has since soured on and routinely vilifies for not cutting interest rates.
Since taking office, Trump has blown through West Wing staffers and Cabinet secretaries at a rate unprecedented in modern US politics.
He's a mercurial boss – high on an aide or Cabinet secretary one day and ready to fire them the next, which means he's been through multiple principals and understudies and still can't find the right fit for key cast members.