By the end of this year, after the Migrant Invasion of 20,000 Future Landscapers of America never happens,
I could totally see Mattis throwing in the towel, which is a shame. He seems like a really smart, focused guy.
That's the trouble with Trump's cabinet - it's a complete downward spiral.
Sessions was arguably one of the worst attorney generals in [fill in a large number of] years.
The next guy will be worse.
Oh well, since Sessions is likely a target of Mueller's probe also, now he has the liberty, and incentive, to sing like a canary, just like everyone else screwed over by Trump is doing.