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Ramesh Ponnuru

A Tax Plan Republicans Should Learn to Love

It's the most pro-growth tax plan since the 1920s. Why are some Republicans opposing it?
In America, you really can have it all -- as far as tax plans go, that is.

In America, you really can have it all -- as far as tax plans go, that is.

Photographer: Alex Wong/Getty Images

Senators Mike Lee and Marco Rubio have come up with the most pro-growth tax reform since Calvin Coolidge's presidency. That's a point that could easily get lost in the intra-party debate over their plan -- a debate that could shape the next presidential race and influence conservative policy for years to come.

Some news coverage has treated this debate as a struggle between "supply-siders" and other conservatives. That's a mistake. Both sides consider themselves supply-siders. Both sides, that is, believe that tax rates affect the amount of labor and capital supplied to an economy. They think lower tax rates would improve incentives to work, save and invest, and thus promote long-term economic growth.