Senators Call Google ‘Monopoly Upon Monopoly’ as DOJ Case Nears

U.S. senators laid out a case for why Google is abusing the size of its online empire to harm competition and amass even more power, articulating arguments that could be central to the government’s upcoming antitrust case against the tech giant.

The Alphabet Inc. unit has clear dominance in the search, online video and advertising technology markets, and uses those positions to benefit the rest of its business, several senators from both sides of the aisle argued during a Tuesday hearing organized by a subcommittee of the Senate Judiciary panel.

“You control YouTube and search, which are the dominant platforms; ...