The reemergence of Yemen as a terror risk to the United States underscores the difficulties in combating al-Qaeda in weak states, says CFR’s Richard A. Falkenrath.

Mexican President Felipe Calderón’s state visit to Washington could highlight immigration concerns at a time of growing cross-border partnership on Mexico’s drug war, says CFR’s Shannon O’Neil.

Yesterday’s dueling speeches at the UN suggest a continued impasse on Iran’s nuclear program, says CFR’s Ray Takeyh. And Iranian politics make that unlikely to change anytime soon.

CFR Iran expert Ray Takeyh argues that a stronger U.S. stand in favor of political reform in Iran can work in tandem with efforts to limit Iran’s nuclear program.

CFR’s Ray Takeyh examines the unsettled nature of Iranian politics, pointing to a fractured opposition and a regime divided on how to proceed on talks over its nuclear program.