The shifting domestic landscape behind the White House’s Cuba policy (Arturo Sarukhan, Brookings)

In the United States, the design and execution of foreign policy sits overwhelmingly in the executive branch, a point that hasn’t been lost on observers who are increasingly nervous about the prospect of a Donald Trump administration. Not only is foreign policy concentrated in a lateral sense between the branches of government, but it’s concentrated vertically in the sense that domestic constituencies tend to be less influential on foreign policy than they can be on other policy areas.

http://www.brookings.edu/blogs/order-from-chaos/posts/2016/03/29-demographics-us-cuba-policy-sarukhan