RFK Jr. the RiverKeeper himself ----greeted the crowd at Explore bookstore. "Call me Bobby" he said. The dude can rap. Off the cuff, Bobby orated for about an hour on a variety of subjects and then signed books for the folks. He's a Hillary man. He distrusts Rudy and he wondered out loud why we decided to join into the "1800 year old dispute" in Iraq. That's --- Zach, star of CBS's Kid Nation getting his book signed by Bobby.