US Blames Iran for Escalating Violence in Iraq

Iran has suspended talks with the US on Iraqi security, denouncing US attacks on Shiite militias in Baghdad. The US accuses Iran of supplying the militias with weapons. Charges and counter-charges fly amid increasing violence in a complex political labyrinth. Does support for the Maliki government mean taking sides in a Shiite civil war? Is the US fighting a proxy war with Iran? We update conditions on the ground and the prospects for stability in Iraq before both US and Iraqi elections.