We find that testing students who participate in extracurricular activities is a reasonably effective means of addressing the school district's legitimate concerns in preventing, deterring and detecting drug use," Justice Clarence Thomas wrote for himself, Chief Justice William H. Rehnquist and Justices Antonin Scalia, Anthony M. Kennedy and Stephen Breyer
Breyer agreed w/ the majority. That's surprising. It just goes to show you can never be so sure who is going to be on your side and who isn't.