Last Sunday, Krystal Lake, a 22-year-old Home Depot employee on Staten Island, was photographed wearing a hat that says, “America Was Never Great.” It's in the same font and style of Trump's campaign slogan of "Make America Great Again." Of course, death threats and hate mail targeting her have come pouring in — which, if you think about it, lends itself to her feeling like she was right to wear the hat in the first place. About two months ago, I wrote a column about the word "again" in Trump's slogan. I think it's a racist dog whistle and it...