mr. walker pioneered at the gao. i just wondered given the situation that states are in, does it really make sense to ask them to bail out the federal government? by raising their tax base basically. >> well, i think a value-added tax is a form of sales tax that if you're going to have a sales tax an value added tax it's self-enforcing so you have less problems with evasion. it would not be my choice. my choice would be scaled down programs. try to minimize the increase in taxes. at the end of the day, though, if you're going to have a european-size welfare state, you have to start taxing the way they tax. they tend to tax through high payroll taxes and things like value added taxes. you can't finance all these programs with just, you know, tweaking tax rates on people making over $250,000. so there is a question of, however -- whatever level of government we're going to have, we need to finance it as efficiently as we can. the question is whether people really are willing to swallow it. in my view, it will be the le