Oral arguments on the Affordable Care Act have begun before the high court . David Orentlicher : Judges on appeal are skeptical about tax arguments . He says Tuesday 's argument about commerce power is more important . But decisions since the 1940s provide ample support for the court to uphold the law . Twenty years of precedents provide strong grounds for upholding health care , he says .
Oral arguments on the Affordable Care Act have begun before the high court . David Orentlicher : Judges on appeal are skeptical about tax arguments . He says Tuesday 's argument about commerce power is more important . Twenty years of precedents provide strong grounds for upholding health care , he says .