With John Bolton’s appointment as national security adviser, the odds have significantly risen that President Trump will abandon his predecessor’s nuclear deal with Iran. But there’s no need for hyst…

The U.S. military’s all-volunteer force has drawn on a shrinking pool of Americans, raising questions about the model’s viability.

While the collapse of the Donald Trump-Kim Jung Un summit should cause the president to reconsider how to prepare for head of state summits, it should not alter the Trump administration’s strategic o…

President Trump goes to Europe this week. Its leaders are bracing for the impact.