Support for today's explain comes from Quip Electric Toothbrushes, a better electric toothbrush.

Here's what's better about it. The Quip Electric Toothbrush does it just $25.

Your first set of refills is free when you go to getquip.com slash explained.

And after that refills are just $5 every three months.

Andrew ProCrop, you're a senior correspondent here at Vox. Jeff Sessions is out as Attorney General.

Was this a firing or is it a resignation?

Well, he did not know when he woke up Wednesday morning that it would be his last day at the Justice

Department. Chief of Staff John Kelly called him and told him basically to resign.

In the letter Sessions released, he said he was asked to resign.

Reportedly Sessions asked if he could stay in the job until the end of the week and John

Kelly said no. So it doesn't look very voluntary. And why did Trump ask for his

resignation? Is this the classic you recused yourself from the Mueller investigation or is there

something else going on here? That's basically the heart of it. Back in March 2017, Sessions decided

to recuse himself from any investigations into the 2016 presidential campaign. And Trump has been

completely furious at him since then. Trump publicly berated him to try to pressure him to resign.

Sessions resisted those pressures and was backed by Republican senators at the time who

thought that the president pushing out an Attorney General for reasons pertaining to an investigation

into him, meaning that he wouldn't recuse himself would look really, really corrupt. But for some

reason, these Republican senators seem to have decided that it's okay to do it after the election.

So the Republican's pre-election aren't on board because it would look

hella corrupt. What change between then and now? I think a few things changed.

First is that, you know, time passed. And since that first crisis, he's stayed in the job for

...