On this week's episode of Under the Dome, powered by The State Journal-Register, Bernard Schoenburg and Angie Muhs talk about the ongoing debate over whether Illinois should switch to a graduated income tax, Chicago Mayor-elect Lori Lightfoot's visit to the Capitol this week and what could be a rematch between U.S. Rep. Rodney Davis and Democrat Betsy Dirksen Londrigan for a seat in the U.S. House.