Puerto Rico’s debt crisis has entered a new stage. Without congressional action and deeper reforms, the island could find itself unable to provide basic services, says CFR expert Brad Setser.

U.S. officials will have to consider the consequences of new sanctions as they weigh how to address Iran’s regional policies without derailing implementation of the nuclear accord, says expert Richar…

Special tax incentives have enabled Puerto Rico to borrow irresponsibly for years, and now the island must take painful steps to balance its budget, explains expert Matt Fabian.

The new agreement between Iran does not resolve the problem and complicates U.S. relations with regional allies, says CFR President Richard N. Haass.

Governments’ refusals to entertain the possibility of dialogue with groups such as al-Qaeda and the self-proclaimed Islamic State causes needless deaths, says expert Jonathan Powell.