CFR Fellow Michael Levi, back from a visit to Iran, talks to Bernard Gwertzman about Iran’s nuclear program and the prospects for a negotiated solution.

CFR Fellow Michael A. Levi says the Bali climate conference made some headway on deforestation but questions the rush to a deal on setting binding emissions targets.

Michael A. Levi, a CFR expert on nuclear weapons and technology, says North Korea may have decided to announce plans for a nuclear test to offset signs of “weakness” caused by the failure of its long…