Nancy Manahan shattered centuries of taboo when she and Rosemary Curb published the critically acclaimed Lesbian Nuns: Breaking Silence. Now, Manahan is back looking at another taboo subject -- the presence of lesbians in the Girl Scouts.For years, the Girl Scouts, the largest voluntary organization of girls and women in the world, has sent a clear message to the lesbians in its ranks -- stay hidden. Although some lesbian girls and women have felt...