The king of the U.K. and the mayor of the largest city in the U.S. are set to meet Wednesday. King Charles III and Queen Camilla will arrive in New York City as part of their four-day visit to the U.S. for the nation’s semiquincentennial. They will participate in a wreath-laying ceremony at the National September 11 Memorial and meet families of victims and first responders from the 2001 terrorist attack. Mayor Zohran Mamdani, New York Gov. Kathy Hochul and New Jersey Gov. Mikie Sherrill will