As a moderate libertarian, I think most things should be handled by the free market and the government should play a smaller role in our lives, but some importa

As a moderate libertarian, I think most things should be handled by the free market and the government should play a smaller role in our lives, but some important things like basic scientific research are undersupplied by the market and government intervention is a reasonably effective way to solve this problem. Asteroid defense would seem to be a textbook example.