"No one respects a woman who forgives infidelity. It kept Hillary Clinton from becoming president!" That's just one of my delicious lines in this super-smart, richly funny and irresistibly entertaining play. And the other four characters in the piece, each in his or her own acerbic, naive, hapless, sophisticated or indignant way, have even funnier things to say. Becky Shaw, by playwright Gina Gionfriddo, gets rave reviews wherever it's produced, which at this point, since its