Britain's Prince Charles, left, smiles at the crowd outside of the Cathedral of The Assumption in Louisville, Ky., Friday, March 20, 2015. The Kentucky stop comes after a visit to Washington, D.C. (AP)
Britain's Prince Charles is greeted by a group of schoolchildren on his arrival at the Kentucky Center for African American Heritage in Louisville, Ky., Friday, March 20, 2015. The Kentucky stop comes after Charles and his wife Camilla visited Washington, D.C. (AP)
Britain's Prince Charles speaks with presenters at a display of technology at the Kentucky Center for African American Heritage in Louisville, Ky., Friday, March 20, 2015. The Kentucky stop comes after Charles and and his wife Camilla visited Washington, D.C. (AP)
Britain's Prince Charles examines a display on agriculture distribution before a roundtable discussion on agriculture at the Kentucky Center for African American Heritage in Louisville, Ky., Friday, March 20, 2015. The Kentucky stop comes after Charles and his wife Camilla visited Washington, D.C. (AP)
Britain's Prince Charles speaks to a presenter at a roundtable discussion on agriculture at the Kentucky Center for African American Heritage in Louisville, Ky., Friday, March 20, 2015. The Kentucky stop comes after Charles and his wife Camilla visited Washington, D.C. (AP)