Twenty-five years after the birth of the anti-Communist Solidarity trade union, which is credited with contributing to the collapse of the Soviet government, Poland is poised to become one of Europe’…

A UN tribunal’s ruling upholds the need for a rules-based order that counters China’s efforts to turn the South China Sea region into a sphere of influence, says expert Andrew Erickson.

President Obama’s announced reforms should help restore public confidence in some controversial U.S. surveillance practices, says expert Andrew Weissmann.

Martin S. Indyk, a Mideast expert and former diplomat, expresses disappointment at the lack of specifics in President Bush’s comments at the Annapolis conference.

Andrew C. Kuchins, an expert on Russia, says Russian officials are working hard to “to talk the Iranians down and out of a nuclear weapons program” despite worsening U.S.-Russian relations.