Each night that Nha Vy steps proudly on stage in her traditional Vietnamese ao dai, or sometimes mini dress and heels, memories grow fainter of the taunts she endured as a transgender woman in her rural village.Nha Vy is one of hundreds of LGBT performers in Vietnam who have found confidence, and a way to earn a living, through lotto shows, a form of entertainment similar to bingo that dates back to the French colonial era and is now wildly popular in the south.As India’s LGBT community stays…