* Building a giant wall along the U.S.'s southern border to keep Mexicans out
* Rounding up and deporting Hispanics currently in the U.S. on a mass scale never before seen in history
I mean, yes, he's not proposing herding Hispanics into gas chambers, but he absolutely is talking about making American policy tilt harder against one particular race than it ever has in the past. Maybe that doesn't make him Hitler, but it definitely makes him something.