US anti-trust regulators to scrutinize Waze acquisition?

The New York Times reports that US antitrust authorities may yet scrutinize Google's acquisition of Israeli start-up Waze.

Normally, to acquire a company in the United States, a buyer is
required to supply the Justice Department or the Federal Trade
Commission with what is known as a Hart-Scott-Rodino filing. This
notifies the agencies of the transaction so either can review it for