A federal court is challenging the recording industry’s assertion that consumers who have copyrighted material available to others on their home computers are guilty of illegal distribution. Judge John Roberts is asking the industry to clarify how such practices are any different from an open library door. But the judge also has some tough questions for the telecommunications companies who have been subpoenaed by the RIAA, telling the lawyer for Verizon Communications, “You make a lot of money off piracy.”