Another extension to the Iranian nuclear talks could be worked out in November but Iran’s desire to have a large-scale uranium enrichment program remains a major obstacle, says expert Gary Samore.

The U.S. government shutdown raises troubling questions about American predictability and feeds doubts about the ability of Congress to be a partner with the White House on foreign policy, says Richa…

New Iranian leadership and the UN effort to remove Syrian chemical weapons offer a rare chance for collaboration between Washington and Tehran—and advance nuclear talks, says expert Gary Sick.

A clear sign of a new Iranian nuclear posture will be if incoming president Hassan Rowhani pursues bilateral talks with the United States, says former top U.S. arms official Gary Samore.

Parliamentary elections have bolstered the position of Iran’s Supreme Leader Khamenei, says expert Gary Sick. He lays out options for Washington to deal with Tehran over its nuclear program amid grow…