That gives him the authority to declare the ban. Once he does do you expect that every single Muslim in the world will say, “Gee there goes our trip to Disneyworld. The U.S. says we can’t come in so now we have to stay home?” Will ISIS say, “Damn! There goes our terror plans. President Trump says we can’t enter the U.S.” Will you depend on their honesty and say, “We now have complete and total halt to Muslims entering the U.S.!” Because if not then how are you going to identify any Muslim trying to enter and keep them from coming in?
Would the kiss a pig at customs program be to politically incorrect? That is not profiling is it?