Congressman Gary Ackerman (D-NY) Joins 6 other powerful House Chairs - writes letter to President Obama, to urge "firm position" on Iran. Read Letter

9:56am EDT BAGHDAD, March 16 (Reuters) - Iraqi forces have besieged a camp housing Iranian exiles in Iraq, residents and a security official said, after the national security adviser reiterated a vow to shut the place down. A source at Iraq's Interior Ministry said Iraqi soldiers surrounded