The U.S. Department of Justice’s recent suit to block an $11 billion merger between American Airlines Inc. and U.S. Airways Group Inc. has more in common with the agency’s 2011 challenge to AT&T Inc.’s $39 billion tie-up with T-Mobile USA Inc. than its balmy August filing date and the word “carrier.”

via Law360: Competition: DOJ’s Airline Merger Challenge Recalls AT&T Fight