The free-market think tank American Enterprise Institute has issued a paper calling for an end to U.S. farm bill crop subsidies and a shifting of those funds toward public research. The proposal would likely turn the U.S. into a net food-importing nation. The reason is three-fold:

Other nations would continue to deploy their own farm subsidies. The U.S. would lose its only negotiating chip for eventually removing the higher import barriers utilized by other countries in exchange for ending domestic farm supports. Public research is utilized by other nations, and so U.S. taxpayers would subsidize their research, freeing up more money for other countries to pour into farm supports.

The effort to discipline domestic farm supports at th...