Tax rates are edging back to historic, post-World War II levels.
"The pro-growth benefits of the Bush tax cuts are more significant than is commonly realized. Two items, in particular, stand out — namely, the average national tax rate and the marginal federal tax rate on personal income. These two tax rates are now returning to their historic norms, having become horribly skewed during the Clinton years. "
http://www.nationalreview.com/nrof_kucewicz/kucewicz200501060828.asp