BISMARCK, N.D. (AP) – North Dakota is among 20 states taking part in a new challenge to the federal health care law.
 
     The challenge filed in the New Orleans-based 5th Circuit Court of Appeals asserts that the Affordable Care Act violates the U.S. Constitution’s Origination Clause, which requires that all tax bills originate in the House of Representatives.
 
     The U.S. Supreme Court has previously upheld President Barack Obama’s health care law, but some attorneys general think the decision opens the door to additional scrutiny.