This week’s latest round of Iran talks seems to have done little to reconcile the two sides on the country’s nuclear position, says CFR’s Michael A. Levi.

Heads of fifty nations are discussing how to improve safeguards for nuclear weapons and materials. CFR’s Michael Levi says these summits serve as reminders of the dangers beyond the North Korean and …

While the UN climate summit will not deliver binding commitments to cut carbon emissions, real action on climate policy is occurring on the domestic front, says CFR’s Michael Levi.

Iran’s threat to close the strategic Strait of Hormuz is intended to signal its deterrent capacity to the United States and bolster leadership at home amid biting economic sanctions, says expert Mich…

President Obama, a newly minted Nobel Peace Prize winner, now faces the daunting task of delivering on a range of challenges, especially nuclear nonproliferation and climate change, says CFR’s Michae…