Conservatives are very excited about Paul Ryan and his budget roadmap. Liberals are also excited, for very different reasons, about Ryan and his roadmap. This tells you that the roadmap is a highly clarifying document.

Ryan and his conservative allies believe that the roadmap clarifies the fact that they have laid out a plan to put the United States on sound fiscal footing, and the Democrats have not. I find this claim highly unconvincing, as does the well-respected Center on Budget and Policy Priorities, which has a report showing that Ryan's plan would dramatically increase the budget deficit. Ryan disputes the some of the claims in the report. CBPP stands by its report and plans to issue a response to Ryan's response tomorrow.

I'm going to return to the question of...