If you haven't already, drop everything and take a few minutes to immerse yourself in an interactive map hosted by The New York Times that is collecting the memories and moods of people as they wrestle with the tenth anniversary of 9-11. It's part of a rich array of material, some interactive and some traditional, that the Times has just rolled out on its website, titled "The Reckoning." The Times' digital team has done this kind of crowd-sourced story-telling before, most notably in my mind with its 2008 "election wordtrain" that gathered and displayed, in real-time, the contributions of Obama and McCain supporters as they digested the results of the presidential election. But this new map goes further in demonstrating...