Today is John C. Calhoun’s 243 birthday. Several years ago, I took some time to visit John C. Calhoun’s grave in Charleston, SC., a massive stone monument at St. Philip’s Episcopal Church erected in the 1880s to honor the State’s greatest son. Calhoun’s body had been exhumed three times, once from Washington D.C. after he died in 1850 so it could be moved back to South Carolina, once to protect it from marauding Union soldiers during the War (he was placed in an unmarked grave), and...