 We still don't know. There's no evidence the shooter was working for the Democratic Party, God forbid, or that he was working for the White House, God forbid, or anything like that. But the generalized point stands, which is Donald Trump has had everything, including bullets, thrown at him. And he is still standing. That, of course, is a point made by Lara Trump, the daughter-in-law of the president and current head of the RNC. She said this president does not back down. That certainly is true.