Vicki Bryan weighs in with her vast knowledge of antitrust law:
“Justice will be unable to convince a judge the merger is anticompetitive, especially given that AMR and US Airways offer far less competitive overlap versus all three previous mergers approved by Justice,” according to a report last week by Vicki Bryan, an analyst at GimmeCredit.
http://www.nytimes.com/2013/11/05/bu...rger.html?_r=0
Like many people who aren't conversant in US antitrust law, she continues to dwell on the irrelevant: that the prior mergers were not challenged is irrelevant to whether this merger would substantially lessen competition.