US already moving toward a flat tax

Bigger tax breaks for wealth produces a system in which the middle class pays about the same as the rich.

By David R. Francis | Staff writer of The Christian Science Monitor

Billionaires are paying not much more taxes, proportionately, than those Americans who are merely prosperous.

It's a sign that, even without the formal adoption of a so-called "flat tax," America's tax system is getting flatter.