Civil War Spotlight; Sports Recap; Ministroke (TIA)

Sturgill Simpson has won a Grammy and sold more than 500,000 records.  Civil War buff Jon Rawl closes out April with a lesson on the 1862 siege of Corinth (Miss.), the Confederacy's produce tax, the 1864 Battle of Jenkins' Ferry (Ark.), and the "Sultana" explosion near Memphis in 1865.  Chase Elliott captures the checkered flag at Talladega Superspeedway's GEICO 500.  Plus, Jerry Short is out of the hospital and talks ministrokes (TIA) and 1950s donkeys.