give everybody the right to vote automatically at age 18 (if you can die in a war, you can vote).
Federal law to kill gerrymandering by state politicians.
redistricting every 10 years by non-politicians appointed committees, by not-state-officials (gov, a/G lt gov, etc), can't remove politics completely but it's worth a try.
re-instate the VRA section killed by the Repug SCOTUS5.
Make the senate proportional, instead of 2 senators for a couple M farmers.