Letting potential terrorists into the country is a far worse problem: the President’s job is not primarily to protect foreign workers, it is to protect the American people.
Just in case you don’t know, Homeland Security have been treating tourists as potential terrorists ever since 9/11, even during Obama’s supposedly enlightened reign. They behave like hitler’s black-shirts, and their uniforms are reminiscent of the Waffen SS. I’ve seen a tourist detained because his travel agent spelt his name wrong on one leg of his trip, and another with an artificial leg thrown to the ground and menaced with fire-arms because his knee-joint had hydrocarbon grease in it. No-one protested about that.