The weather in 2012 was dramatic, to say the least. The U.S. had a record drought in its heartland and a hurricane, dubbed Superstorm Sandy, on the East Coast. Both were declared federal emergencies, and both will trigger federal aid passed by Congress. Because they are designated as "emergencies," additional spending does not fall under the federal budget and its rules. This includes any application of the pay-as-you-go rule, known in Washington parlance as PAYGO.The process by which the House of Representatives passed the bill for Hurricane Sandy relief may be instructive of the upcoming farm bill debate as well as future farm and disaster debates to come. First, the House split the package into two parts: immediate relief and long-term...