To its critics, it seems Ticketmaster may be experiencing some karma lately for years of being the bane of concertgoers' existence. Unfortunately its latest hassle — a massive data leak — also negatively impacts consumers.Just last week, the U.S. Justice Department filed an antitrust lawsuit against the ticketing conglomerate. The DOJ is seeking to break up the alleged monopoly its parent company, Live Nation Entertainment, holds over the live music and entertainment industry – potentially a goo...