And in obvious need of some press. Nothing gets a cute girl more press than to admit to being bi. Or maybe even a headlining gig at a gay pride festival. Singer/songwriter Vanessa Carlton is bisexual, she said for the first time Saturday at Nashville Pride, which she headlined. “I’ve never said this before, but I am a proud bisexual woman,” she announced to a crowd of 18,000. It’s funny to me that these chicks that come out as bisexual have always been known to be in long-term hetero relationships. Vanessa has been in real relationships with John Mayer and Stephen (Third Eye Blind) in the past few...