Digital All Satellite Radio Will Be Won: DOJ approves of XM and Sirius Merger By Tina Dupuy|March 24, 2008Share By Tina Dupuy|March 24, 2008Share Breaking news from CNN: 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. That’s one way of trying to get more people to actually listen to Howard Stern.