Fearing an invasion of Ukraine, the U.S. government is vigorously trying to head off alleged Russian plots and misinformation campaigns. The efforts have opened a new front for competition between th…

The death of Abu Ibrahim al-Hashimi al-Qurayshi is unlikely to pose a major setback for the group, which has already mounted serious attacks in Iraq and Syria this year.

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?

Fears of a Russian military offensive against Ukraine are back. NATO should bolster support for Kyiv and the United States should signal new efforts to thwart a controversial Russian energy pipeline…

U.S.-Russia bilateral relations have fallen to a new low, with Ukraine, Belarus, cyberattacks, and nuclear weapons among the biggest disagreements. What’s the best way to judge this summit’s success?…