Democratic presidential candidate former Vice President Joe Biden greets Vice President Mike Pence at the 19th anniversary ceremony in observance of the Sept. 11 terrorist attacks at the National September 11 Memorial & Museum in New York, on Friday, Sept. 11, 2020. (Amr Alfiky/The New York Times via AP, Pool)
September 11, 2020
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September 11, 2020 noon
U.S. marks 9/11 anniversary at tributes shadowed by virus
Americans commemorated 9/11 Friday as another national crisis reconfigured memorial ceremonies, dividing some victims' families over coronavirus safety precautions, and a presidential campaign carved a path through the observances.