BILLBOARD: The Department of Justice will announce today that it will approve the Live Nation/Ticketmaster merger after a nearly a year of investigation and due diligence. REUTERS: Ticketmaster sells more than 140 million tickets a year and also owns Front Line Management, the leading artist management firm founded by Ticketmaster Chief Executive Officer Irving Azoff. Its roster of 200-plus artists includes The Eagles and Miley Cyrus. Live Nation owns major venues like the Gibson Amphitheatre in Los Angeles and the House of Blues chain, and has long-term contracts with top artists like Madonna, U2, Jay-Z and Nickelback. Although a relatively […]