wrote the opinions in both of those cases, and then last term, in a case called regald versus med tronnic, it was an opinion on medical devices an justice stevens didn't like it but concurred in the opinion and pointed out why it didn't undermine the previous opinions he had written and then these therm terms come along and he has the majority vote. if you are a practitioner and i argued a couple of these cases, you have no idea what will happen with preemption unless you can figure out a way to persuade enough justices that they will outweigh justice stevens because he has written on every single one of these cases. ly make one final point. a a lot depends on what the agency does. in the obama administration, the president issued an executive order instructing agencies basically to vote through all of their regulations an scrub them clean of any ambiguities, in other words, only preemptions. don't saying regulations with your conduct preempts the state tort suits unless it is fairly clear. those regulations will affect what the future decisions are going to be. >> judge, i would like to