Marian Wright Edelman, childrens rights activist, listens as Democratic presidential nominee Hillary Clinton speaks at the Black Women's Agenda 39th Annual Symposium on September 16, 2016 in Washington, DC. / AFP PHOTO / Brendan SmialowskiBRENDAN SMIALOWSKI/AFP/Getty Images

A member of the Secret Service waits to open a curtain for Democratic presidential nominee Hillary Clinton at the Black Women's Agenda 39th Annual Symposium on September 16, 2016 in Washington, DC. / AFP PHOTO / Brendan SmialowskiBRENDAN SMIALOWSKI/AFP/Getty Images

Republican presidential nominee Donald Trump delivers remarks at a campaign event at the Trump International Hotel in Washington, D.C., U.S., September 16, 2016. REUTERS/Mike Segar

Republican presidential nominee Donald Trump's plane is seen at Ronald Reagan Washington National Airport on September 16, 2016 in Arlington, Virginia. / AFP PHOTO / Brendan SmialowskiBRENDAN SMIALOWSKI/AFP/Getty Images

US Army Blackhawk helicopters fly over Democratic presidential nominee Hillary Clinton's plane at Ronald Reagan Washington National Airport on September 16, 2016 in Arlington, Virginia. / AFP PHOTO / Brendan SmialowskiBRENDAN SMIALOWSKI/AFP/Getty Images

Republican presidential nominee Donald Trump and Democratic presidential nominee Hillary Clinton's planes are seen at Ronald Reagan Washington National Airport on September 16, 2016 in Arlington, Virginia. / AFP PHOTO / Brendan SmialowskiBRENDAN SMIALOWSKI/AFP/Getty Images

Republican presidential nominee Donald Trump and Democratic presidential nominee Hillary Clinton's planes are seen at Ronald Reagan Washington National Airport on September 16, 2016 in Arlington, Virginia. / AFP PHOTO / Brendan SmialowskiBRENDAN SMIALOWSKI/AFP/Getty Images

Democratic presidential nominee Hillary Clinton walks to her plane at Ronald Reagan Washington National Airport on September 16, 2016 in Arlington, Virginia. / AFP PHOTO / Brendan SmialowskiBRENDAN SMIALOWSKI/AFP/Getty Images