And what's the problem with that, exactly? That's what the free market is all about. The solution you're implicitly proposing is that we ban all foreign student

And what's the problem with that, exactly? That's what the free market is all about. The solution you're implicitly proposing is that we ban all foreign students because of a few bad eggs. Have you also measured the impact foreign students had on the institutions they attended? How many grants were given because of proposals from foreign students? How about how many US educated diplomats and/or foreign officials ended up improving their country's relations with the US because of their education experience?