Trump knows his audience...all the scholarly disciplines applied to Trump and how can he get away with what he says boils down to one thing - Trump knows millions of Americans are stupid...he said it himself, "I love the poorly educated".
C-SPAN covered his rally in Alabama today where Alabama's U.S. Senator Jeff Sessions, the 5th-most conservative senator, gave Trump a warm endorsement. Trump's ranting was the same old same old and the crowd, estimated at 35,000, loved that he said nothing for them to think about.