Like, tin foil hat time.
I don't think this was an accident. I don't think this was a slip. This was at a fundraiser, right? She rarely lets the press into her fundraisers. There was press there, correct? That's how this got out. Maybe this was on purpose.
Just like her comment on Nancy Reagan being a leader on AIDS was on purpose.
No, I don't think it was an error to point out the racists among Trump's supporters. The error was putting a number on it.