And no, it wasn't sexism that did in her campaign, although it was one of the many factors. The main reason her campaign failed was the lack of coherent strategy among her aides, the constant backstabbing between aides, and not capitalizing on caucus states as they should have.
But it was Obama supporters for whom Buffenbarger saved his most vitriolic contempt, and he proved that the Democratic Party's coalition is nothing if not fragile. Channeling Howard Beale from the movie "Network," he yelled into the microphone, "Give me a break! I've got news for all the latte-drinking, Prius- driving, Birkenstock-wearing, trust fund babies crowding in to hear him speak! This guy won't last a round against the Republican attack machine. He's a poet, not a fighter."