The laws restricting consenting adults from making transactions with each other, otherwise known as price gouging laws, have been in the news recently (and on this blog) with the gas prices in New Jersey. Some recent stories.
Link to summary of state laws.
Gas lines in New Jersey down as prices are up? This should not be shocking information for anybody who takes introductory economics courses. Link here.
A debate on price gouging laws. The person arguing for them gets an intellectual beat-down.