Once again, Donald Trump is taking to Twitter to call the investigation into Russian election hacks a "Witch Hunt". This time, however, it comes with a twist.

What else Republican leaders could do to "protect" him that they're not already doing is, short of passing legislation to bar outright any investigation into himself or members of his campaign or administration, unclear.

He’s cracking up, you know. He went golfing today, came back, and had a Twitter fit that the Russian investigation was still going on. He can’t help tweeting about it, he can’t help obsessing about it, and no matter what his lawyers or staff members advise him to do he’s going to keep doing it.

This is not a well man, but we already knew that.