A memorial flag is brought onto the stage during ceremonies to commemorate the 20th anniversary …

A memorial flag is brought onto the stage during ceremonies to commemorate the 20th anniversary ...

A memorial flag is brought onto the stage during ceremonies to commemorate the 20th anniversary of the Sept. 11 terrorist attacks, Saturday, Sept. 11, 2021, at the National September 11 Memorial & Museum in New York. (AP Photo/John Minchillo)