Like Elizabeth Taylor and Richard Burton, there's a love/hate relationship between our government and Web 2.0. It's on again, it's off again, it's on again...Well, given productivity and security/privacy concerns, govies are never going to spend all day hanging out on facebook. But that doesn't mean that Web 2.0 does not have an important role to play in government. A series of agencies are building out Web 2.0 communities inside the firewall...