FILE - Members of the public arrive at the south pool after the conclusion of ceremonies to commemorate the 20th anniversary of the Sept. 11 terrorist attacks, Sept. 11, 2021, at the National September 11 Memorial & Museum, in New York. On Sunday, Sept. 11, 2022, Vice President Kamala Harris and her husband are due at the ground zero observance, but by tradition, no political figures speak there. Instead, victims' relatives take turns in an hours-long reading of the names of the dead. (AP Photo/Matt Rourke, File)