(CNN) — The National September 11 Memorial opens to the public Monday — a decade and a day after terror attacks brought down the twin towers of the World Trade Center in lower Manhattan.
First 9/11 memorial stop for President Obama: A firehouse that lost 15 of its finest nearly a decade ago.
President Barack Obama on Thursday will mark the killing of Osama bin Laden with a triumphant return to ground zero, a hallowed site that has often been a place of discord, controversy and — for the president — mixed emotions.