peter or sacked -- peter orzag was president obama's financial adviser. this is half an hour. >> if the politicians cannot solve the nation's fiscal problems and the tax issues that separate them, maybe the economists can. we have a top group of economists to join us. please grab a seat. we're talking about finding common ground on tax reform. i am joined by peter orzag, who was budget director for president obama and is the vice chair of citigroup. we have professor martin feldstein, the top economic adviser to president reagan. and donald marron, the director of the brookings institution. we have three experts to talk about these issues, walk through the minefield of tax policy, and see where there may be common ground. peter, let me start with you. the basic question about whether or not tax revenue has to be part of this conversation to begin with, and whether the two sides, whether there is more common ground than they think? >> firs