Shane at Caffeinated Thoughts pointed out a great article by Dennis Prager. In it, Mr. Prager points out that now, for the first time, many Americans are seeing the real left. He goes on to lay out some principles that define the Left.
Principal One: The left, as distinct from traditional liberals, is not, and has never been, interested in creating wealth.
I encourage you to read the whole thing. He makes some really great points.