It is now seven years since terrorists attacked the World Trade Center and the Pentagon. Please share your thoughts and memories on that event and its aftermath. Does the pain lessen with time? Have we learned enough lessons about preventing other such attacks? Thank you.
PS: If you would like to view our complete 9/11 section -- including a Where Are They Now? on notable figures from Sept. 11, including Lisa Beamer, the Ground Zero "Dust Man," fireman Bob Beckwith and others -- please go to: http://www.msnbc.msn.com/id/26561997/


