Antitrust regulation

FILE - In this July 28, 2015, file photo, electricians, Adam Hall, right, and Steven Gabert install solar panels on a roof for Arizona Public Service company in Goodyear, Ariz. Over the last five years, Arizona’s largest utility has broken away from its decades-long practice of not meddling in elections involving their regulators. Arizona Public Service recently acknowledged giving $10 million to groups that backed the utility’s favored candidates in 2014 elections for the commission regulating it. (AP Photo/Matt York, File)

Cars are seen during an opening ceremony of the Mercedes Benz automobile assembly plant outside Moscow, Russia, Wednesday, April 3, 2019. Germany's Daimler AG has opened a new Mercedes factory in Russia, part of a 250 million euro ($281 million) investment it says will create 1,000 jobs. (AP Photo/Pavel Golovkin, Pool)

FILE - In this March 29, 2018, file photo, NCAA President Mark Emmert speaks during a news conference in San Antonio. Emmert says a judge’s recent ruling in a federal antitrust lawsuit again reinforced that college athletes should be treated as students not employees. Emmert spoke to The Associated Press on Wednesday, April 3, at U.S. Bank Stadium, the site of the men’s basketball Final Four, making his first public comments since last month’s decision. Judge Claudia Wilken ruled the NCAA did violate antitrust laws and cannot prohibit schools from providing more benefits to athletes as long as they are tethered to education. (AP Photo/David J. Phillip, File)

Democratic presidential candidate Sen. Elizabeth Warren, D-Mass., speaks at the Heartland Forum held on the campus of Buena Vista University in Storm Lake, Iowa, Saturday, March 30, 2019. (AP Photo/Nati Harnik)

European Competition Commissioner Margrethe Vestager speaks during a media conference at EU headquarters in Brussels, Wednesday, March 20, 2019. European Union regulators have hit Google with a 1.49 billion euro ($1.68 billion) fine for abusing its dominant role in online advertising. (AP Photo/Francisco Seco)

Democratic presidential candidate Sen. Elizabeth Warren, D-Mass., speaks to local residents Friday, March 8, 2019, in the Queens borough of New York. (AP Photo/Frank Franklin II)

FILE - In this June 13, 2018, file photo, the logos for Time Warner and AT&T appear above alternate trading posts on the floor of the New York Stock Exchange. A federal appeals court has blessed AT&T's takeover of Time Warner, Tuesday, Feb. 26, 2019, defeating the Trump administration by affirming that the $81 billion merger won't harm consumers or competition in the booming pay TV market. (AP Photo/Richard Drew, File)