When trying to buy concert and sports tickets online, we face numerous obstacles, including sky-high prices and fees. In January, a Senate hearing investigating Ticketmaster hinted that we might see government antitrust action in an effort to bring relief to ticket buyers. Months later, it's happening. A federal lawsuit filed May 23 by the Department of Justice, 29 states and Washington, DC, alleges that Ticketmaster and its parent company, Live Nation Entertainment, unfairly dominate the live events indust ...