Insight - "Terrorists" help U.S. in battle against Islamic State in Iraq

By Isabel Coles MAKHMUR Iraq (Reuters) - Washington has acquired an unlikely ally in its battle against Islamic State militants in Iraq - a group of fighters it formally classifies as terrorists. The outlawed Kurdistan Workers' Party (PKK), condemned for its three-decade insurgency against the Turkish state, says it played a decisive role in blunting the militants' sweep through Iraq, which ...