As to the looney right, my, but they are becoming more frustrated and unable to control themselves. Just bursting with so much anger that, they have to act out in some way. I was in Barnes and Noble and two men, that fit the movie audience you described above, were talking to each other, in a reasonable voice. That is, until I happened upon the new arrivals table. Noticng me, one fine gentleman raised his voice, several octaves and proceeded to voice how bad Obama is for America. Of course, I looked up and, sure enough, he was looking in my direction. I suppose he was expecting to get a defensive reaction out of me when, in reality it was the raising of the voice that caused me to look up.
If i wasn't afraid the man would have a massive coronary, based on the redness in his face, I might have laughed out loud. Rather, I simply moved to another section of the store. I was amused, though.