In his September 9 address to Congress and the nation on health insurance, President Obama said that under his plan, individuals will be required to carry basic health insurance. There is no clause in Article I of the Constitution authorizing Congress to craft legislation forcing individuals to purchase insurance. Mr. Obama attempted to justify his intended federal intrusion on individual liberty by noting that states require drivers to carry auto insurance. Notwithstanding the difference between a requirement imposed on licensed individuals or machines as opposed to a mandate for everyone, he fails to recognize the distinction between federal and state...