9/11 memorials ...

Presumably some stations will want to do memorials Friday and Saturday.  Here's the timeline and details of this horrible event.

All times are Eastern (corresponding STL times would be an hour earlier).

8:45AM (AA Flight 11 hits the North Tower of WTC)

9:05AM (UA Flight 175 hits the South Tower of WTC)

9:38AM (AA Flight 77 hits the Pentagon)

9:50AM (WTC South Tower collapses)

10:03AM (UA Flight 93 crashes into a field in near Shanksville PA)

10:30AM (WTC North Tower collapses)

Who's responsible?