What did Donald Trump do today?

He continued to complain on Twitter that Saturday Night Live was "unwatchable," "not funny," and that Alec Baldwin's version of him "can't get any worse."

Trump has had a great deal to say about SNL in the past year, most of it bad--except for the episode he hosted. Ironically, tonight's Baldwin sketch centered on Trump's undisciplined Twitter habits.

And this is bad because?

• It probably shouldn't be this easy to get under a president's skin.