...However, Justice Anthony Kennedy said that the federal government "is telling an individual he has the obligation he must act" and purchase insurance.
"That threatens to change the relationship between the government and the individual in a profound way," Kennedy said.
If Congress could regulate health care in the name of commerce, added Chief Justice John Roberts, "all bets are off" on a range of areas subject to federal oversight.
To Toobin, the court's four liberal justices -- Ginsburg, Kagan, Sonia Sotomayor and Stephen Breyer -- were clearly supportive of the law's constitutionality, while conservative justices Samuel Alito and Antonin Scalia appeared certain to rule against the law.
With Justice Clarence Thomas also considered certain to vote on the conservative side, the issue would be decided by the remaining votes of Kennedy and Roberts, Toobin said.
Kennedy, who is considered the swing vote on the divided court, asked tough questions about the mandate and appeared likely to oppose its constitutionality, Toobin said, meaning that the usually conservative Roberts may be the best hope of liberals for the law to be upheld...