The Diplomat Ends Season 4 With Kate’s Public Resignation

The fourth season of The Diplomat ends with U.S. Ambassador Kate Wyler publicly resigning at a G7 summit, followed by two senior officials in President Grace Penn’s administration. Vice President Hal Wyler joins them outside, but the finale does not establish whether he will leave office. Grace remains president when the season ends. At the summit in Italy, Kate announces that she can no longer represent the administration and walks out. White House Chief of Staff Billie Appiah and Secretary of State Miguel Ganon follow her. Their public departures make the dispute within Penn’s administration visible during an international gathering, but do not remove the president from office. Hal appears outside with the departing officials after spending much of the season working alongside Grace. Kate introduces him to reporters as the vice president, and the finale ends before he speaks. His appearance signals that he has joined the group at the summit, but does not confirm that he has resigned or what he intends to say. The conflict builds around the administration’s secret seizure of Poseidon, a Russian nuclear weapon taken from a submarine in British waters. The operation threatens...