One of the signature themes of the Obama administration is that the American dream is under attack due to "income disparity." The words divide the country into haves and have-nots, suggesting a national condition that needs to be corrected—presumably by "progressive" taxation as a mechanism for income redistribution. The American dream has traditionally been one of individual success that is rewarded and admired. But we are now urged to become a zero-sum society in which those achieving the American dream are envied and even resented.

The...