9/11

It was four years ago, more or less to the minute, that Todd Beamer said, "Let's roll."

Some images:

• A 9/11 video memorial. (I watch this several times a year.)
• From CNN, video of the second plane hitting the World Trade Center.
• From Cox & Forkum:
  
  
• From Richard Drew/AP, via Esquire:
  
  
  
  Imagine the smoke-filled hell inside the building that prompted this man to jump, to taste a last glorious gasp of fresh air before succumbing.