Legalize insider trading.
With the proliferation of internet/cellphones it's practically impossible to prevent insider trading.
https://www.cnbc.com/id/43471561
Or sell Alaska
www.washingtonpost.com/business/economy/to-solve-our-debt-problems-lets-sell-alaska/2012/12/14/1c63c1d6-4352-11e2-9648-a2c323a991d6_story.html?hpid=z4