Was on my phone, here's a continuation of my above post.
Racism is about treating someone differently based on their race, meaning a person has a prejudicial belief based on another persons race. Prejudice literally means pre-judgement, or to judge someone before knowing / meeting them. Racism requires both a pre-judgement and a different in treatment, again based on race.
That is why President Trumps comments were not racist, they were not based on a pre-judgement nor were they treating people differently based on race.
President Trump trolls white Democrats just as much as he trolls black, brown, blue, green and rainbow Democrats.
We can agree that his statement, if taken at face value, was profoundly ignorant, yet not racist. Now he was obviously screwing with them with the aim of riling everyone up and fueling the radical priesthood of the left to go even more fanatical. Doing so during the Democrat primaries just to force his potential opponent to say or do things that he could later use against them.