dr. alice rivlin, cochair of the bipartisan policy center's tax reduction tax force, widely recognized as one of the most foremost experts on the issues we're talking about today. senator bob packwood, chairman of senate finance committee, he was one of the architects of the 1986 reform. congressman bill thomas, another chairman, chairman of the ways and means committee. widely seen as one of the smartest and toughest guys to ever walk the halls of congress, one of the main proponents of the tax cut bills of the last decade. and we've got robert greenstein, founder and president of the center on budget and policy priorities, an expert on a wide range of domestic policy issues including tax and social safety net programs. let's start, dr. rivlin, on mr. baucus' speech. lacking in some detail, some specifics that i know some of my colleagues in the press wanted. did it change or shift the debate at all? did it move the needle? >> i was very glad to hear him say several things that he said. one, clearly we're going to need more revenue as we address the long run deficit problem. and he stuck