How it starts: "Mark – You don’t have much time to read this. You’re going to be busy for the next several years."
A powerful read from our @markhertling.bsky.social: "Twenty-five years later, I know things that I could not possibly have known as I turned on the television just in time to see the second plane hit. This is the letter I would send to myself if I could, warning about what was to come."