Ronald D. Asmus, a former deputy assistant secretary of state for European affairs in the Clinton administration and an expert on NATO, says that an “important first step” toward healing t…

With air strikes now underway in two countries, Washington must pursue a sustained campaign against ISIS militants, with initial emphasis on routing them in Iraq, says expert Ryan Crocker.

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 Arctic should be a major consideration in discussions of U.S. national security, says Thad Allen, co-chair of CFR’s Independent Task Force on the Arctic.