Yes, it's the 20th anniversary of the destruction of the World Trade Center -- the 20th anniversary of that absolutely horrifying loss of people both occupying the twin towers and those rushing in to save them. I was living in New York at the time. My experience for that reason was particularly direct.
I've written about this (link) and even put together a video (see below). As I've said before, the best event I ever personally experienced -- that was the the fall of the Berlin Wall; the attack on the World Trade Center -- that was the absolute worst.
