Seriously, is Senator Boxer really that dumb?

First she went out of her way to chide a senior military officer by doing what any military man would do, and respond to her as M'am, just like they are trained to call men Sir...it has nothing to do with not respecting her as a Senator, and everything about their training...then today she goes over the edge with comparison of NAACP to Black Chamber of Commerce...I have written her before, and she is a very condescending person, which has firmed my resolve to see she does NOT get re-elected....here's the video of her in committee...