President Barack Obama made the stunning announcement late last night that a long intelligence operation led US forces to a compound 60 miles outside of Islamabad, Pakistan - where they killed Bin Laden in a firefight. In his short speech, he also asked Americans to think back to the sense of unity that the nation felt after 9/11- unity that has since frayed.
In New York, at the site of the World Trade Center, and in Washington, outside the White House, crowds cheered and waved American flags. On social media sites like Twitter - the conversation was relentless. On Connecticut commuter trains, heading into the city, passengers were cautiously relieved, and a bit wary of heightened security.
Today, where we live - what does the death of Osama Bin Laden mean to you? We'll hear from national security experts and Pakistani Americans, and from you.