Great New Yorker article on "Tax cuts pay for themselves"

[bdk3clash]

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Even if what you're saying is true, i.e. that the rich end up "paying a larger portion of total income taxes", it does not necessarily mean that the rich are paying a larger proportion of their income.

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This rhetorical sleight of hand device shows up quite frequently in discussions of tax rate cuts and their effects on relative tax burdens--see this thread, this thread (about a Wall Street Journal Op-Ed piece, of course), and this thread to see it in action.