I did say common ground didn't I? Well, to counter what may seem to be a lot of right-leaning posts let's head over to the left a bit. Capitalism and free markets are very important and history has certainly shown their superiority over socialism and communism. That being said, unfettered freedom will inevitably be taken advantage of and the robber barons can be just as damaging to free society as a rapacious dictator.
I've been reading an excellent book which illustrates the damage that can be done by these robber barons. The book is Internal Combustion by Edwin Black and the accompanying web site provides a variety of compelling tidbits.