SubscribeArrow

Situational awareness: AT&T will be allowed to complete its $85 billion acquisition of Time Warner, with a federal judge on Tuesday rejecting an antitrust challenge by the U.S. Justice Department.

Why it matters: The ruling is expected to set off a chain reaction of other mega-mergers, while the AT&T-Time Warner tie-up will remake the media, tech and telecom landscapes. Go deeper.

What to watch tonight: Keep your eyes on governor's races in Maine, Nevada and South Carolina, as Democrats are competing to replace their state's Republican chief executive. Dive in.