ABC News tells the story of the Telemarketeers sueing a second government agency over the do-not-call lists. The American Teleservices Association claims that the list could cut their business in half, costing up to $50 billion in sales per year. It could also eliminate up to two million jobs.

The free government registry for blocking telephone sales pitches has grown to more than 28 million numbers since it was opened June 27, according to the Federal Trade Commission, which operates the service. The FTC has predicted registration to grow to 60 million numbers by next summer.

hat tip: tlevitz