It's impossible not to notice that the left has made a cottage industry out of trashing Republicans and conservatives as racists and "angry white guys" while elevating Democrats as the party of racial diversity. As the Washington Examiner pointed out, "Joe Biden's pledge to choose a woman as his running mate, and his consideration of several black female officeholders for the role, has spurred considerable chatter about diversity in the nation's second-highest office." Charles Curtis, a Republican, was the first individual "with acknowledged non-European ancestry" to become vice president, the outlet reported. Serving under Herbert Hoover from 1929 through 1933,...