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Thomas has suggested replacing the payroll tax on wages, which has funded Social Security since its inception, with a value-added tax common in Europe — a levy that would function like a national sales tax.
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Operatives in both parties see Thomas' willingness to float such an ambitious idea as a sign of Republican concern that Bush's emerging approach is unlikely to pass.
"It's like you're in one of those mazes where you say, 'I know I'm in a dead end with this path, so I'll try the other fork,' " said Grover Norquist, a leading conservative activist close to the White House. "That may be a dead end too. But he thinks that as long as it is going forward, he has a chance to bring life to it."
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Traditionally, Democrats have also opposed a VAT, or any consumption tax, because they consider it unfair to low- and middle-income families who must spend a higher percentage of their income on consumption than the affluent....
Gene Sperling, former director of the National Economic Council under President Clinton, said Democrats should at least be willing to explore the proposal Thomas had floated.
http://www.latimes.com/news/nationworld/politics/la-na-thomas29jan29,1,4722384.story?coll=la-news-politics-national