Each Friday, I look at what the presidential contenders are saying about foreign policy. This Week: The demise of arms control agreements and the rise of geopolitical competition are a dangerous mix…

The Trump administration's newly issued directive on cybersecurity policy for outer space is another small step towards taking cyber threats to U.S. space systems seriously.

There seems to be a general consensus that the White House's new cyber strategy is a continuation of existing policy. However, the us-versus-them approach the strategy takes could pose a problem. 

In the case of Buhari’s visit, the fact that the president of Africa’s most populous country is visiting Washington may be more important to strengthening the U.S.-Africa relationship than any discussion of policy during the trip. 

In recent weeks, the Trump administration has taken increasingly tough measures against Chinese state media outlets operating in the United States. The White House has forced state broadcasters like …