If I were Mayor, I'd make the world a better place by
Stop the ability of big corporations to get their special interest money funneled into political arenas, stop with all the fortunes spent on political campaigns - England doesn't do it that way! Make Congress live by the same rules as the common man, no self voted raises, no special health care and limited terms in office like the forefathers originally planned. Go back to being a regular citizen after your term. Stop allowing piggyback items to be tacked on to bills when they have nothing to do with the original bill, just work on one thing at a time, and make it a clear necessary timeframe for issues to be handled or some consequence must be paid, maybe a fine to all parties which should go into the Social Security fund to help it keep going.