Like Son, Like Father

To many, Carlo Giuliani remains the ambiguous, faceless figure in the famous photograph — a wiry young man in a black ski mask and white tank top ready to hurl a fire extinguisher through the broken window of a police jeep. Of course, the photo — taken at the G-8 protests in Genoa last July — also show the police officer's gun pointed at the 23-year-old. That shot made Carlo the first fatality suffered by the antiglobalization movement.

Since his death last July, Italy has learned about Carlo Giuliani's brief life through the interviews with his friends and...