The power of tax cuts to boost growth and even increase federal revenues is a teaching moment for Congressional Republicans.

Art Laffer drew a convex curve on a napkin to illustrate the power of tax cuts to two senior officials from the Ford administration named Donald Rumsfeld and Dick Cheney. Unfortunately, they didn’t ...

Art Laffer, the man who drew the Laffer Curve, is optimistic about the prospects for pro-growth tax cuts, the current GOP ...