Vice President Kamala Harris was accused Monday of using a “fake accent” in her remarks to teachers union members in Michigan.  Harris, speaking at a Detroit high school, appeared to alter her tone of voice in moments where she became particularly animated and when interacting with supporters in the crowd.  “You may not be a union member, but you better thank a union member for the five-day workweek. You better thank a union member for sick leave. You better thank...