Oral arguments on the Affordable Care Act have begun before the high court . The justices will hear oral argument in King v. Burwell and decide whether to uphold or strike down key parts of Obamacare. Justices on Monday seemed skeptical about tax arguments . Orentlicher says Tuesday 's arguments about commerce power is more important . In other words , the individual mandate is simply designed to prevent freeloading that would cause the pre-existing conditions provision to fail , and the Constitution gives Congress the power to make sure its laws can be implemented effectively . Seventy years of precedents provide strong grounds for upholding health law , he says .
Oral arguments on the Affordable Care Act have begun before the high court . The justices will hear oral argument in King v. Burwell and decide whether to uphold or strike down key parts of Obamacare. Justices on Monday seemed skeptical about tax arguments . Orentlicher says Tuesday 's arguments about commerce power is more important . Seventy years of precedents provide strong grounds for upholding health law , he says .