but elena kagen used "struck down. " so you're like, hmm. but it's the majority view that prevails. >> so in a complicated case like that which had to do with how e.p.a. regulates power plant emissions differently from how it regulates other stationary source emissions that's about as much as i can tell you about it. but how much preparation do you guys do in advance so that you sort of know the underlying law, you know the -- how the e.p.a. went about making its regulations, how much of a head start can you get on stories in specialty and technical cases? >> you try to be ready in all of them. the whole point of the job is to spend months of preparation in anticipation of a few days of crazy work. the environmental cases are easily the hardest. and the court tends to be less scruteable in those cases than in other cases. but you do what you can to get ready. >> it always feels like final exam week in college. cases than in other spend the whole spester studying this and that and regurgitate it at one time. the good thing about a case like t