That's a very complicated inquiry. Direct effects, predictable effects. Our court, this court has said four times that Interstate air and water pollution are matters for federal law unless Congress authorizes state law. Doesn't that take care of the issue? What I mean, I guess I'm not sure why you're leading with this more difficult inquiry than the one that our precedents have set forth since 1972. (00:08–00:20)
STATEMENT
Asserts that federal law governs interstate air and water pollution unless Congress allows state law to intervene.
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