I think that both types of systems have serious problems. It's not a matter of just adopting one extreme viewpoint or the other. I think it's a very challenging

I think that both types of systems have serious problems. It's not a matter of just adopting one extreme viewpoint or the other. I think it's a very challenging set of problems. It's almost as if everyone's view on many issues reduces down to "you just need to have competition" or "you just need to cooperate". They are more complex problems than that.