Britain's King Charles standing next to Queen Camilla interacts with New York City Mayor Zohran Mamdani during a visit to the 9/11 Memorial, in New York City, U.S., April 29, 2026. REUTERS The Issue: Mayor Mamdani’s remark suggesting King Charles return the Koh-i-Noor diamond to India. Mayor Mamdani’s ignorance is exemplified by his offensive request of King Charles III to return the Koh-i-Noor diamond to India ( “A scold reception from Mam,” April 30). This request implies that Britain stole the diamond from India. As a point of fact, it was the Islamic Mughal dynasty, led by Nader Shah, that initially looted the diamond from India a century prior to the East India Company annexing the Punjab in 1849. Mamdani should relearn history instead of presenting a convenient, contrived TikTok version of it. Alexander Schloss Manhattan An excellent example of what it looks like to be a petulant boy among men is when Charles shared public venues with President Trump and Mayor Mamdani.…