https://www.cnbc.com/2018/08/06/why-the-doj-keeps-going-after-the-att-time-warner-deal.html

The Department of Justice filed a brief Monday in its appeal of the June decision allowing AT&T to acquire Time Warner, arguing that the lower court's ruling showed "fundamental errors of economic logic."

However, when the DOJ first filed its appeal in July, the move raised suspicions that the department's aims were political rather than legal.