Chad Goller-Sojourner's Sitting in Circles With Rich White Girls: Memoirs of a Bulimic Black Boy opens tonight at the BrownBox Theatre @ the Rainier Valley Cultural Center, and runs through Sunday, July 20. Tix available online. In terms of identity, Chad Goller-Sojourner either hit the jackpot or got the short end of the stick, depending on one's perspective: a gay black man raised by a white family with a "girl's" eating disorder. "I thought it......