A cynical law-school adage says that if Americans ever held a referendum on the First Amendment, they would overwhelmingly reject it. They may soon get the opportunity. Many people were outraged when the Supreme Court ruled that the Constitution's free-speech protection extends even to occasional political protesters who torch and trample the symbol of liberty, the American flag. Among the outraged was George Bush, who proposes to do something about it.
Declaring that he was "viscerally" against the court's decision, the President called for a constitutional amendment to carve an unprecedented exception in the Bill of Rights and allow states to...