"We’ve Gone Too Far: Income Redistribution, Effective Marginal Tax Rates, and Our Angry Middle Class"
Economist David Tufte, extending recent work by Greg Mankiw, argues for reducing marginal income tax rates on the 2nd, 3rd, and 4th quintiles, while raising the marginal rate a bit on the highest quintile.
I'd prefer cuts in government spending followed by decreased marginal rates across the board. "You may say I'm a dreamer. But I'm not the only one."