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.

Gary Sick, a longtime expert on Iran, says both the Iranian and U.S. governments face pressure to compromise and allow talks on Tehran’s nuclear program to move forward.

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…

Gary G. Sick, an expert on Iranian affairs, says the reelection of President Mahmoud Ahmadinejad amounted to an internal coup. The prospect of U.S. talks with Iran is now "infinitely more complicated…

Gary Sick, former director of Columbia University’s Middle East Institute, forecasts a convergence of views between the United States and Iran because they “are now neighbors” and must broaden their …