In the warm electric light beneath Westminster in the heart of London, the Prime Minister stares intently at the wall. He is pondering lines drawn upon a massive chart in his underground Cabinet Room. That map records the last known positions of numerous convoys and task forces in the Atlantic Ocean, each represented by pins and strings. Anxiety and frustration keep him there. The pins and strings convey old information, and the Prime Minister is keen to update the situation as he waits for new reports that will change the map. He has taken to lingering in that room often in recent weeks as he and his subordinates endure the hours as battles unfold and fate tips in one direction or the other. The balance has not been kind to the Royal Navy.
