“The desire to empower citizens directly is alluring in principle but can be very problematic in practice,” writes UMBC political science professor Thomas F. Schaller in his latest Baltimore Sun column. Schaller is referring to the practice of using ballot referenda to impact policy, rather than working through the legislature. He writes, “Last week, top Maryland Democrats announced their intention to make it more difficult to put statewide policy referenda on the ballot. The move is a clear response to Republicans’ success last year in putting to referendum policy questions in the hope of achieving victories the GOP couldn’t win …