“More than 100 congressional Republicans signed a brief Friday urging the Supreme Court to strike down the entire healthcare reform law if it finds the law’s individual mandate unconstitutional… More than 100 economists, including Nobel laureates, joined a separate brief Friday on the issue of severability. That brief, filed by the American Action Forum, says the cost of the healthcare law would skyrocket without the mandate, making it unlikely that Congress would have passed the law without it.”