Sometime they don't let you know that they know that they don't know everything but the core of the medical approach is that you try to identify pathologies which are subsystems within the human body or the larger system that are having undesirable consequences.
Obama has seen to the passage of the most radical legislation in recent American history and so-called 'progressives' should be thanking him for it - even as many of the rest of us rear in horror from its implications.