There are complex challenges remaining for Iraq but the country is better off than it was under Saddam Hussein, a U.S. State Department spokeswoman said.
Secretary of State John Kerry will make his first trip to Asia as the top U.S. diplomat next month, State Department spokeswoman Victoria Nuland said.
The United States has imposed sanctions on Greek company Impire Shipping and its president for helping Iran get around sanctions on its energy sector.
Commercial satellite imagery of North Korean rocket test facilities show no signs of imminent launch preparations, analysts at Johns Hopkins University said.
Russia and the United States don't see eye-to-eye on Syria, especially with Moscow supplying weapons to Damascus, a U.S. State Department spokeswoman said.
North Korea can't make the unilateral decision to pull out of the 1953 armistice that halted the Korean War, a spokesman for the U.N. secretary-general said.
A gas pipeline from Iran would put Pakistan on the wrong path but the United States is ready to help other plans, a U.S. State Department spokeswoman said.
Iranian media announced Monday that Pakistani President Asif Ali Zardari arrived on the border to launch the construction of a bilateral gas pipeline.
The presentation of an award to an Egyptian activist is being delayed until allegations she made anti-Israeli remarks are investigated, a U.S. official said.
The United States is "fully capable" of dealing with any North Korean ballistic missile attack, White House press secretary Jay Carney said.