Dormant Commerce Clause

It has been a while since I've written about a U.S. Supreme Court dormant Commerce Clause case, but the recent National Pork Producers Council v. Ross decision provides a great opportunity to revisit the issue. Steve Charnovitz commented on the decision here. (Here are some other takes:

If we can't stop internal domestic discrimination, how are we ever going to stop it in the international arena?  The recent U.S. Supreme Court decision in Davis v. Kentucky Department of Revenue dealt with the issue of explict tax discrimination against out-of-staters.  As explained on ScotusWiki: At

The proper standard for non-discrimination has long been a vexing question in GATT/WTO law.  Is there anything to be learned from seeing how others do it?  Yesterday the U.S. Supreme Court decided a "dormant" commerce clause case, where non-discrimination is part of the legal standard (at