RIAAlity Check

A federal court of appeals tells the Recording Industry Association of America that one of their arguments "borders upon the silly" in the course of ruling against the group's effort to subpoena ISPs for information on users accused of file-sharing. The full opinion is here [PDF]. The author of the opinion, by the by, is Chief Judge Ginsburg, a generally sympathetic fellow for whom Cato's Bob Levy and ex-Catoite James Swanson both clerked. (Via /.)