Consumer complaints about Ticketmaster are so voluminous at state attorneys general offices that Pennsylvania's comes with an explicit plea for residents lodging a grievance about the company to be patient for a response. That kind of pressure has driven more than 30 states to push forward with claims that Live Nation-Ticketmaster illegally monopolized parts of the concert industry, even when the federal government settled its claims. Soon it will be up to a jury to decide if the ways Live Nation-Ticketmaster conducts its business is not just frustrating, but also illegal.
An antitrust trial that began March 2nd against Live Nation-Ticketm …