A year after the tragedy of 9/11, I had the privilege of interviewing three first responders—men who were among the very first on scene at Ground Zero that fateful day. In remembrance of their courage, and in honor of all the brave first responders who sacrifice for us every day—often at great personal cost—I am reposting their stories. I hope you’ll take a moment to reflect on their service and, if you can, thank a first responder. It’s a calling that leaves deep scars, yet they continue to serve. Here are just three of their stories…