Trump's response to the horrific New Zealand terror attack, and his refusal to name white supremacist terror, is a dog-whistle directly to his far-right base.

Trump understands his base better than anyone. He gets what makes them cheer and what turns them off. And Trump’s response to Friday’s horrific white supremacist terrorist attack in New Zealand that saw 49 Muslims murdered was coldly calculated to play to them, especially his refusal to use the term “white supremacist terrorism.”