History and art buffs alike gathered in the Leu Art Gallery Wednesday night to discuss the  power of propaganda and portrayal of the public figure through history. “Pierce, Schafer, and Sherraden: A Conversation About Political Art,” run by panel members Daniel Schafer of Belmont’s history department, James Pierce of the graphic design department and Jim Sherraden, master printer and curator of Hatch Show Print, focused on various forms of political art in America and Russia,