Michael Bloomberg was an unlikely savior of the museum that honors the victims of the Sept. 11, 2001, attacks - a project stalled for years in a morass of debate among family members, urban planners and politicians.

Lance Robinson is a marine veteran from Pennsylvania who has visited 33 states since 2010, walking from city to city in memory of those who lost their lives on September 11th. He calls it a “hike of honor.”

The global struggle against terrorism has "entered a new and dangerous phase" with growing threats posed by foreign fighters returning from the civil war in Syria and the vulnerability of critical systems to cyber attack, the original authors of the 9/11 Commission report concluded in a new analysis. Marking the 10th anniversary of the panel's landmark report, which identified an array of intelligence failures leading up to the 2001 terrorist attacks, panel chairman Tom Kean said Tuesday there was "broad agreement" on the new threats facing the nation and rest of the world.