chairman a letter that the first director of the congressional budget office alice riflan wrote describing the importance of maintaining that nonpartisan position. >> without objection. >> director hall, i know that you know that you're the caretaker of that independent nonpartisan tradition and we look forward to working with you. i think it's going to be particularly important now that congress has directed the national budget office to engage in what is commonly referred to as dynamic scoring and there are lots of concerns about how games can be played with dynamic scoring. we saw in an analysis that was released of the former chairman of the ways and means committee tax proposal how those games can be played. the tax committee did an analyses of the potential dynamic effect of that proposal and, not surprisingly, in all his public presentation, the chairman of the committee used the one that showed the most aggressive benefits in terms of economic growth and revenue not a conclusion that had been reached by the joint tax committee. so as you embark in this area i just understand and i