See the article in its original context from November 21, 1999, Section 6, Page 66Buy Reprints Back when she was the star of her high-school drama club, the philosopher Martha Nussbaum wasn't interested in playing Emily in ''Our Town.'' Her favorite role was Robespierre -- in a five-act, French-language production she wrote herself. Decades later, she still speaks fondly of the meandering walks sh