PALM BEACH, Fla.—On the sunny yet slightly cool afternoon of Jan. 4, guests began to arrive at President-elect Donald Trump’s Mar-a-Lago resort in Palm Beach for an exclusive event. The occasion was a private screening of a documentary featuring attorney John Eastman, whose name in recent years gained national attention due to his role advising Trump’s 2020 presidential campaign and his stance on the election’s integrity. The new film “The Eastman Dilemma: Lawfare or Justice” conveys a message that, while the November election is over, the battle against lawfare is far from finished. It tells the story of Eastman, who faced disbarment and criminal charges for his role in advising Trump….