To the surprise of no one who’s ever listened to a single Donald Trump campaign speech, the Attorney General made an announcement last week in which he signaled that “sanctuary cities†were going to lose access to some federal grants and DoJ funding. The howls of outrage immediately followed, including various claims from the left that he can’t do that and all the usual protests over the limits of federal power. Among the cities under discussion was Chicago, famous for needing a lot of help in the law enforcement arena, but not willing to do anything to support immigration law...