9/11

President Obama, First Lady Hold Moment Of Silence On Anniversary Of 9/11 Attacks...WASHINGTON, DC - SEPTEMBER 11:  (EDITORS NOTE: Retransmission of #487722960 with alternate crop.) US President Barack Obama bows his head during a moment of silence to mark the 14th anniversay of the 911 terror attacks, at the White House on September 11, 2015 in Washington, DC. Today marks the fourteenth anniversary of the September 11, 2001 attacks when terroristists high jacked airliners and flew them in the World Trade Center and the Pentagon.  (Photo by Mark Wilson/Getty Images)

Mark Wilson/Getty

US President Barack Obama bows his head during a moment of silence to mark the 14th anniversary of the 911 terror attacks, at the White House 

People gather at the "Tribute in Light" in Lower Manhattan, New York...People gather at the "Tribute in Light" in Lower Manhattan, New York, September 9, 2015. The tribute was lit two days ahead of the 14th anniversary of the 9/11 terrorist attacks. REUTERS/Andrew Kelly      TPX IMAGES OF THE DAY

Andrew Kelly/Reuters

People gather at the “Tribute in Light” in Lower Manhattan, New York, September 9, 2015. The tribute was lit two days ahead of the 14th anniversary of the 9/11 terrorist attacks 

President Barack Obama, first lady Michelle Obama, Vice President Joe Biden, and others, stand on the South Lawn of the White House in Washington, Thursday, Sept. 11, 2014, as they observe a moment of silence to mark the 13th anniversary of the 9/11 attacks.

Charles Dharapak/AP

President Barack Obama, first lady Michelle Obama, Vice President Joe Biden, and others, stand on the South Lawn of the White House in Washington on Thursday, as they observe a moment of silence to mark the 13th anniversary of the 9/11 attacks

Part of the World Trade Center stands inside the library as part of the tour that the public will be able to see on the day the George W. Bush Presidential Library opens for the first time to the public on the campus of Southern Methodist University in Dallas, Texas

Larry W Smith/EPA

Part of the World Trade Center stands inside the library as part of the tour that the public are able to see on the day the George W. Bush Presidential Library opens for the first time to the public on the campus of Southern Methodist University in Dallas, Texas.