The challenge to Russia’s military and leadership from the mercenary Wagner Group marks a setback to Putin’s stature and possibly the Ukraine war effort.

Presidents Trump and Biden have turned to the Defense Production Act to procure critical medical supplies during the coronavirus pandemic. What does the law do?

Russia has demanded security guarantees that U.S. and NATO officials cannot accept, but there could still be room for building a sustainable dialogue on European security.

Several countries stand out for their success in delivering coronavirus vaccinations, while most of the world is struggling to figure out how to get immunizations into more arms.