By Richie Falek, Lauren Duxstad and James Junewicz (October 30, 2018, 1:36 PM EDT) -- This past summer smoldered with regulatory success in major media mergers. In June, AT&T Inc. won its battle against the U.S. Department of Justice regarding its proposed acquisition of Time Warner Inc., allowing the $85 billion deal to close within days of the court's decision. Just two weeks later, The Walt Disney Company received approval from the DOJ Antitrust Division for its proposed acquisition of 21st Century Fox Inc., valued at over $52 billion. This paved the way for shareholder approval of the acquisition in late July, with the expectation that the transaction will be completed by early 2019....