MARIAH Carey has spoken out to address rumors about her sexuality. In a new interview with The Advocate magazine, the singer — who’s expecting her first child with husband Nick Cannon — insists she isn’t bisexual. “If it makes somebody happy to say that, then whatever, but that’s not the reality,” she said.”I don’t have a discriminatory policy of who I’m friends with, so yes, I’m friends with women who are gay — gay, straight, it doesn’t matter to me. So I don’t get upset when I hear that, because it is what it is. I guess I could lie...