The Constitution gives the House of Representatives the power of the purse in the Origination Clause in Article I. But Obamacare's taxing and spending sections actually originated in the Senate, a maneuver not yet ruled on by the Supreme Court.
http://townhall.com/columnists/phyl...-disobeys-the-law-of-the-land-n1718872/page/2
http://townhall.com/columnists/phyl...-disobeys-the-law-of-the-land-n1718872/page/2