President Trump’s proposal to build up the military while slashing funds for diplomacy and foreign assistance misses how “soft power” can advance the national interest, says Joseph S. Nye, who coined…

While the ISIS executions of two Japanese hostages have reinvigorated a public debate about the country’s postwar pacifism, recent moves by Tokyo to revise its counterterrorism policies should be vie…

The odds of a peaceful power transition emerging from another summit on the Syria crisis are poor, but the U.S.-Russian push for renewed diplomacy is still worthwhile, says expert Frederic C. Hof.

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.

F. Gregory Gause, a leading Saudi Arabia expert, says the U.S. plan to sell some $20 billion in sophisticated military hardware to Saudi Arabia and other Gulf states is part of a concerted effort in …