How many people (experts, if you will) do you think you’d have to gather into a room to understand the totality of federally enforceable American law?

Let’s make this simpler… How many people (again, trained experts in the law, so we can somewhat reduce the number) do you think would be required to understand the totality of federally enforceable American law that was passed for 2013?

Ignorance of the law excuses no man, as the axiom goes. I wonder if you can say that still truly applies when the number of experts required to know the totality of the law is hard to imagine, even for those with large imaginations.