XM-Sirius merger approved by U.S. DOJ-Justice Department finally gives thumbs up to satellite radio merger. But deal still faces another regulatory hu

NEW YORK (CNNMoney.com) -- The U.S. Justice Department approved the merger between satellite radio companies Sirius and XM Monday, more than a year after the two companies first announced their deal.

But for fans of Howard Stern, Opie & Anthony and other Sirius and XM on-air personalities, there are still many
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