New Dramatists 64th
New Dramatists 64th Anniversary Spring LuncheonSeth Gelblum, Tonya Pinkins      By: Isa Goldberg I don't know about you, but if I were seeking someone in the theater to get warm and fuzzy with, I wouldn't choose a lawyer. Certainly not one with the reputation for being among Broadway's most prominent power brokers. Such is the reputation of Seth Gelblum, this year's New Dramatists' honoree. Cli…