Netflix’s political pressure cooker is about to boil over. The first full trailer for The Diplomat Season 4 puts Keri Russell ’s Kate Wyler in an ugly position as a secret operation involving the White House threatens to push the United States toward war. Season 4 picks up after the events

"The Diplomat" Season 4 has released its first full-length trailer, and Keri Russell's Kate Wyler is back in political hot seat.