Not the first, just the latest.

HARRISBURG, Pa. — A federal judge in Pennsylvania has ruled that the requirement in President Barack Obama’s health care overhaul that individuals buy health insurance is unconstitutional.

Judge Christopher Conner in Harrisburg issued the ruling Tuesday in one of more than 30 lawsuits nationwide that have been filed over the law. He says the individual mandate is an unconstitutional extension of authority granted to the federal government under the Constitution’s commerce clause.

The challenge was brought by a couple of private citizens.