Sept. 11, 2001, much like Dec. 7, 1941, is “a day that shall live in infamy.”It was the morning of the worst catastrophe in our nation’s history, as many of us saw on live television how the twin towers of New York’s World Trade Center were struck by terrorist-hijacked commercial airplanes, then watched in horror as both landmark towers collapsed, taking with them 2,763 innocent souls, including hundreds of first responders.When a third hijacked plane struck the Pentagon outside Washington, D.C …