On a very different Fourth of July, when many Americans are wrestling with the racist misdeeds of the country's heroes and confronting an unrelenting pandemic with surging cases, their commander-in-chief is attempting to drag America backward -- stirring fear of cultural change while flouting the most basic scientific evidence about disease transmission. In a jaw-dropping speech that amounted to a culture war bonfire, President Trump used the backdrop of Mount Rushmore to frame protesters as a nefarious left-wing mob that intends to "end America." Those opponents, he argued, are engaged in a "merciless campaign to wipe out our history, defame...