http://www.washingtonpost.com/blogs/the-switch/wp/2018/04/12/att-is-trying-to-undercut-the-governments-star-witness-in-the-blockbuster-time-warner-trial/

An economist retained by AT&T took aim at key government arguments Thursday in the landmark antitrust trial involving Time Warner that's now in its fourth week.

With the Justice Department's top antitrust attorney, Makan Delrahim, looking on from the government's table, AT&T's witness claimed that regulators' economic analysis of the Time Warner deal is "theoretically unsound" and riddled with inaccurate assumptions.