TODAY News, September 11: 25th Anniversary of 9/11: NYC and The Nation Prepare to Mark Somber Milestone | President Trump Attends Pentagon Memorial Ceremony | Air Travel Evolution Since the Terror Attacks

Savannah Guthrie reports live from lower Manhattan, as New York City and the entire country prepares to honor the victims of 9/11 on the 25th anniversary of the tragedy. Also, details on President Trump’s appearance at the Pentagon Memorial Ceremony as tributes get underway. Plus, a look at how air travel has evolved in the last two and a half decades, with dramatic shifts in security and screenings. And, former President Bush’s Chief of Staff Andy Card shares his reflections on 9/11.