Bob Perciasepe doesn't hold grudges. He's been sued by friends, been passed over for a top job and regularly listens to lawmakers slaughter his last name. But the second-in-command at U.S. EPA takes it all in stride. He has forgiven those who filed the lawsuits, has hung around to work in the agency's not-always-glamorous No. 2 slot and calmly suggests that the lawmakers who mangle his last name just stick to "Bob."