BY STEVE RALLS Words matter, and Michelle Obama is a woman of powerful words. Last night, in a passionate address to the Democratic National Committee’s Gay and Lesbian Leadership Council, Mrs. Obama delivered a rousing call-to-equality and put her husband on record as a fighter for the full equality of lesbian, gay, bisexual and transgender Americans. “Barack believes,” she said, “that we must fight for the world as it should be, a world where we work together to reverse discriminatory laws.” Invoking “those who marched and bled and died, from Selma to Stonewall,” Michelle implored Democrats to continue ...