A roving he'll go
Depending on your political persuasion, Karl Rove is either a clever, bare-knuckles brawler who has mastered the arena of American politics, or a dirty dealing smear-meister who's plumbed new depths in negative politics. Either way, revelations that Rove was the White House source who "outed" CIA operative Valerie Plame in 2003 in order to punish her husband have put George W Bush's closest advisor in the hottest water of his political career.