Lexi Belculfine, a student at State College Pennsylvania, told This American Life that for her, like for many other college students at the time, Osama Bin Laden's death offered closure to a childhood nightmare.
"I distinctly remember being very afraid for a very long time," she said. "I guess it was just a realization of how quickly everything could be ripped out from under you, that these huge, catastrophic things can happen. "
And yet we are here again. Boston reminds us that we are still experiencing a very different kind of relationship with terror. It also leaves us wondering how it might once again shape today's children down the road.