> fairly common, South Korea does it for example and so do a few African countries Source? To prevent goalpost-moving, the restrictions we're referring to are:

> fairly common, South Korea does it for example and so do a few African countries Source? To prevent goalpost-moving, the restrictions we're referring to are: The government will protect "human capital" in its decision-making, and travel can be denied for "national security reasons." Those deemed necessary to the Cuba socialist revolution — professionals such as doctors, scientists and engineers — can be prevented from departing.