By the woman sitting next to me at a Broadway Show — I swear. It was the woman sitting next to me. I was at “Purlie Victorious: A Non-Confederate Romp Through the Cotton Patch” on Tuesday. At the appropriate time, and I say appropriate because most of the audience laughed, too, the woman sitting next to me laughed. Then, in the most inappropriate places, she GARRULOUSLY LAUGHED. Like, when one of the…