Photo by brettbattjer Both Mayor Adrian Fenty and Council Chairman Vincent Gray have strong records on supporting LGBT rights in D.C. — but Gray’s record is a smidge better, if the Gertrude Stein Democratic Club’s endorsement is any indication. Lou Chibbaro Jr. reports that Gray has narrowly won the Stein Club’s endorsement, meeting a 60-percent threshold by just 3 votes. According to Chibbaro, activists expected Gray to lead Fenty but figured that the candidates would…