…and opponents will be led by their A-team. The court is reportedly going to allow a total of four and a half hours of argument. That’s unusually long. They know that this will be an historic ruling. If they can do this, there are no limits to federal power.

[Update a couple minutes later]

Philip Klein is now saying it will be five and a half hours.

[Update a few minutes later]

Here’s a roundup of links from Pethokoukis.

[Update a while later]

Here’s a more detailed report from CEI’s Hans Bader.