The 1943 case limited the Sherman Antitrust Act; this decision strengthens it.
Yes.
One of the problems we are dealing with today is all the banking and oil company mergers that took place during the Clinton administration. Granted, some were finalized under Bush but the process started under Clinton.
The same is true with Walmart’s expansion policy of unfair competition against small businesses to drive them out. Remember, Hillary was on their BOD prior to 1992 and Walmart financed much of Bill’s primary campaign.