It seems maddeningly repetitive to have to return time and again to the fact that Donald Trump is a racist, but it must be done. It must be done because it is a foundational character issue, one that supersedes and informs many others, in much the same way that his sexism and xenophobia does.

On Saturday, US time, Trump tweeted that congressman Elijah Cummings’ district “is a disgusting, rat and rodent infested mess,” a “very dangerous & filthy place” and “No human being would want to live there.” Cummings is black, as are most people in his district.

via Trump racism debate: ‘The rot you smell is a racist POTUS’