Colin Firth is a fine, versatile actor. He is undoubtedly the best Mr. Darcy in all the movies made of Jane Austen’s Pride and Prejudice and is now set to play Avraham Stern, the intellectual and poet who became leader of the Jewish underground Fighters for the Freedom of Israel (LEHI), called the Stern Gang by the British. Michael Winterbottom, who produced the film (to be called “The Promise”) did much of the research at the Begin Center and has stated that it is based on the true story of two British police detectives, Thomas Wilkin and Geoffrey Morton, who...