At this event, Alan Viard will present the X tax proposal while James Mackie of the U.S. Department of the Treasury and Chris Edwards of the Cato Institute will offer commentary.

This book by Alan Viard and Robert Carroll proposes to completely replace the income tax system with a progressive consumption tax.

There is a tax plan that offers the best of both worlds: growth and progressivity. It's called the Bradford X tax.

Throughout Social Security's history, benefit adequacy has been balanced with equity.

Senator Obama has a component of his tax plan that would introduce significant progressivity into the tax side of Social Security.

Tax reform perpetually tops policymakers' lists for ways to grow the economy, but a generation has passed since the last successful effort, the Tax Reform Act of 1986. This is because of a simple political reality-it's hard. But not, I believe, impossible.

Ominously labeled "Taxmageddon," a host of tax policy changes are set to occur at year-end, and there truly is much at stake: $3.67 trillion of additional tax revenue over 10 years from the Bush tax cuts alone.

What's on the horizon for taxes? AEI's Aparna Mathur weighs in with the House Small Business Committee.