1.   Almost every state has laws prohibiting assisted suicide, and English and American common law has historically held that government has an important interest in safeguarding life.

2.   Every country has laws prohibiting its officials from taking bribes, but such laws are unlikely to be enforced when top officials are corrupt.

3.   Every state already has laws prohibiting the sale of cigarettes to minors, but they are notably ineffective.

4.   Renfro said the NCAA has bylaws prohibiting betting or manipulating the outcome of games, but has no rules against providing information.