John Edwards Bets the Farm

At the end of a perfect summer day in Iowa, it is almost possible to believe that John Edwards' presidential campaign is right on track. At stop after stop on his mid-August bus tour, the pretty small-town squares fill with voters who say they feel a strong attachment to the former Senator from North Carolina. They relate to his rural Southern style. They agree with his argument that Washington insiders have twisted the system to rip off people like them. They don't care how much he pays for his haircuts. And they plan to caucus for him.

Edwards...