On Arizona Public Media's Political Roundtable last night: Tucson Tea Party founder Trent Humphries, Pima County Democratic Party chairman Jeff Rogers and former state lawmaker Pete Hershberger discuss Mitt Romney's commentary about the 47 percent; the latest in the race between Congressman Ron Barber and GOP challenger Martha McSally; the TV ads in the Flake-Carmona Senate contest; civility on the Roundtable set; the race between Republican Ally Miller and Democrat Nancy Young Wright for the seat of retiring Pima County Supervisor Ann Day; and the untimely passing of Cochise County Sheriff Larry Dever.