He did oppose some elements of the law, as many of us did, but he called the decision upholding it a good decision, except for the portion relating to MediCare expansion. He did call it 'governmental malpractice' for any governor to refuse the MediCare expansion, however.
I think the onus is on the opposition here to demonstrate Gov. Dean can be accurately described as a 'fervent State's Rights proponent'. Mr. Greenwald's word in a parenthetical aside is not nearly sufficient to establish it as a fact.