We've always had entrepreneurs in the U.S., but clever little firms haven't taken over the economy yet. Big clumsy companies still have the advantage in a lot

We've always had entrepreneurs in the U.S., but clever little firms haven't taken over the economy yet. Big clumsy companies still have the advantage in a lot of areas. I'd like to see those areas eroded, but I suspect some of them are growing. For example, my impression is that fewer doctors are in private practice than there used to be, with more of them belonging to clinics. There are certainly fewer independent pharmacies than there used to be.