do you agree with chairman bernake statement? >> yes, i do. >> and here is what chairman yellen said this year on july 12th before the house committee on financial services expressing her concerns about rising debt. she said current spending and taxation decisions will lead to unsustainable debt situation with rising interest rates and declining investment in the united states that will further harm productivity growth and living standards, unquote. do you agree with that statement? >> i do. >> now, obviously if we increase the national debt, we are going to make those problems even worse. in other words, the long-term debt impact harming economic growth. isn't that the case? >> yes. i think the idea would be to get gdp growing faster than the debt over a long long period of time. >> do you have any reason to doubt the congressional budget offices analysis of the debt increase that would result from the bill that's been proposed here in the senate by republican senators? >> to tell you the truth, i haven't lubed at that. it's not