What gets into some people?

Watch this clip:



Not a viewpoint I agree with, but compared to some people at these town hall meetings, she seems fairly civil about her dissent... Until she appears again in this clip:



Holy. Living. Fuck.

Someone explain to me why a woman wearing an Israeli Defense Forces t-shirt is yelling "Heil Hitler!" at a Israeli man who's talking about health care? Now, I'm not the most fashion savvy person on the planet, but isn't that more than a little faux pas? What's she gonna do for an encore, put on blackface and confront Chuck D?