Republican presidential candidate Donald Trump, center, greets members of the audience as he attends a ceremony at the National September 11 Memorial, in New York, on Sept. 11, 2016.
Republican presidential candidate Donald Trump, center, greets members of the audience as he attends a ceremony at the National September 11 Memorial, in New York, on Sept. 11, 2016. Andrew Harnik AP
Republican presidential candidate Donald Trump, center, greets members of the audience as he attends a ceremony at the National September 11 Memorial, in New York, on Sept. 11, 2016. Andrew Harnik AP