There are some knee-jerk reactions to the seemingly "political correctness run amok" move to put Harriet Tubman on the $20 bill, replacing President Andrew Jackson. But the replacing of the slave-owning founder of the Democratic Party with a gun-toting black Republican may spark a political debate worth having and unearth historical truths worth learning. As PJ Media described the announcement: The first woman on United States bank notes will be the famous abolitionist and Republican Harriet Tubman, Politico reported Wednesday. She will give the boot to the nation's sixth president and a major figure in the Democratic Party, Andrew Jackson,...