Repeal and replace the 19th. Split the house into two. Each sex gets their own house. Make it a Tricameral Legislature. Only men can vote for the men's house, and only women may vote in the women's house.
Article in the first ratified at 50k citizens per representative (and split according to sex). This would be 6500+ congressmen currently and increasing each year. Force them all to live in their district, and work remotely.
I would like to see: