We Can't Be Friends Because Your Girlfriend Says So?

I am, it appears, somewhat unusual in my penchant for staying friends — close friends, even — with some of my exes. Although there's a new show based on the concept (personally, I think Jo and Slade qualify more as business partners than "friends") and tons of columns about getting in touch with your exes, several of… » 7/21/08 2:20pm 7/21/08 2:20pm