Each Friday, I look at what the presidential challengers are saying about foreign policy. This week: Democrats vow to reverse the Trump administration’s new land-mine policy, the candidates participa…

Each Friday from now until Election Day, I will be looking at what the presidential candidates are saying about foreign policy on the campaign trail. 

Oriana Skylar Mastro is an assistant professor of security studies at the Edmund A. Walsh School of Foreign Service at Georgetown University. Ely Ratner is the Maurice R. Greenberg senior fellow for …

Asking “what if” is a popular parlor game. Seldom, however, do we ever get an answer, and certainly not almost immediately. King George V of Britain is a rare exception. On the morning of May 7, 1915…