On 9/11, A 12-Year-Old Kid Learned A Hard Lesson Sept. 11, 2001 was a day that none of us will ever be able to erase from our memories. For Mike Rosen, who was 12 and lived in New York City at the time, it was rough. He has some things to say about it. At 2:40, I get some chills. Curator: Adam Mordecai If you'd like to see more of his work, you could Like him on Facebook. And share this?