He is lucky USA has so few limits on freedom of speech
In another country his latest rant would have qualified for hate speech.
http://www.theguardian.com/us-news/2015/dec/07/donald-trump-ban-all-muslims-entering-us-san-bernardino-shooting
Banning entering the country a particular religious denomination and tagging all of its followers inside the country? Do a s/muslims/jews/g and Hitler would be proud.