Elections rules from another century
Polarization is worsened by an archaic set of election rules left over from a bygone political era. We place parties in charge of everything from voting rules, to district lines, to election oversight. These practices overrepresent the extremes and discourage common ground.
Meanwhile, peer democracies have innovated, upgrading election systems to require impartiality, encourage compromise, reduce conflicts of interest, and sustain broad participation and trust. Evidence-based solutions exist; we only need the will to implement them.