There is a lesson from scandal of moonwalking Gov. Ralph Northam (D-Va.) being photographed in either in a KKK hood and sheet or blackface in his medical school yearbook. In 2017 Northam decisively defeated Ed Gillespie for governor 54 to 45. (As an aside, Bill Kristol backed Northam.) In that race, the Democrats played the race card for all it was worth, while Gillespie was as hapless as a deer in the headlights. This should not be a surprise. Democrats do what Democrats do -- play to win at any cost. And establishment Republicans do what establishment Republicans do --...