A new book looks at one of the most famous murders in history: that of Leon Trotsky in Mexico City. What is there new to say, 86 years later? A lot, it turns out https://www.economist.com/culture/2026/03/19/re-examining-one-of-the-worlds-most-notorious-assassinations?taid=6d9f9807-d045-41a2-907f-1642f1018dfa