Leonard Pitts: Intolerance can never be up for debate

Donald Trump is a man of famously definite opinions. Whether it be about Mexicans, Muslims or Mueller, he knows what he thinks and isn't shy about sharing.So it was telling, one year ago this weekend, when he refused to take a stand.Meaning, of course, Charlottesville and the white supremacist rally that shocked that town and the wide world beyond. Bad enough a motley mob of Tiki torch-bearing bigots marched under Confederate flags. But then a car plowed through a crowd of counter protesters, an