Amazon wants to get thousands more satellites into orbit to offer internet and mobile services.
Critics fear the consolidation will add to strains facing local news and degrade coverage.
The departure of Gail Slater has raised questions about the White House's approach to policing big mergers and monopolies.
Concerns were raised by a subcommittee including potential price rises and the future of cinemas.
It is the latest skirmish in the bidding war over Warner Bros Discovery, which is also being pursued by Paramount Skydance.
JPRestaurants, which runs Banjo, Oyster Box and Jersey Crab Shack, is sold for an undisclosed sum.
The deal will unite two giants in the over-the-counter health business, bringing together brands like Kleenex and Benadryl.
Two of the world's biggest coffee firms are to combine as the industry grapples with tariffs and high prices for beans.
Union Pacific agrees to buy Norfolk Southern, establishing a $250bn colossus with 50,000 miles of track.