“Congress can regulate sports gambling directly, but if it elects not to do so, each State is free to act on its own,” Justice Samuel Alito wrote for the court. “Our job is to interpret the law Congress has enacted and decide whether it is consistent with the Constitution. PASPA is not.”
7-2 vote, by the way. Not even close.
Remember too that the Constitution itself is much about what government cannot do.
via The New Republic