amazon prime 有，看了会感叹这些年变化，那时 pbs 还会拍这样的记录片，friedman 在今天的环境下是万万得不到 nobel 的
Free To Choose is the ground-breaking PBS television series featuring Milton Friedman, Nobel Prize-winning economist. These programs have helped millions to understand the close relationship between the ideas of human freedom and economic freedom. Friedman sees this success threatened by the tendency in the last few decades to assume that government intervention is the answer to all problems.