Chesco Historical Society brings ‘History on Tap’ to Kennett Square  “History on Tap,” a program of the Chester County Historical Society that combines insight and discussion with food and drink, is coming to Kennett Square. On Monday, Feb. 24, at 6:30 p.m., Chris Densmore will present “The Kidnapping of Thomas Mitchell, 1849″ at the Half Moon Restaurant. Mitchell, an escaped slave from...