How AT&T's antitrust battle looms over the Sprint/T-Mobile deal

T-Mobile and Sprint phone stores adjoin each other in New York. Photo: Richard Levine/Corbis via Getty Images.

The outcome of AT&T's fight with the Justice Department over its bid for Time Warner could shape the regulatory review of the long-anticipated union of Sprint and T-Mobile.

What's happening: Closing arguments take place Monday in AT&T's courtroom battle with DOJ. The verdict of that trial, expected in the coming weeks, could impact antitrust regulators' appetite for challenging another telecom deal, as well as AT&T's level of enthusiasm for intervening in the process.