Students from John Hancock College Preparatory High School cast their ballots in the Illinois primary election in 2022.Ashlee Rezin/Sun-Times It’s heartening to see some focus lately on the scourge that first started to ruin our democracy, gerrymandering: “In Illinois politics, remaps keep the powerful in power," Feb. 2.The author highlighted gerrymandering’s effect on congressional representation, but our state representative and senate distri…