Unfortunately you were not in Concord
http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2007/07/26/MNGPER76GR1.DTLI wonder how many people passed by and did nothing.
"The five senses obstruct or deform the apprehension of reality."
Jorge L. Borges?
"Premature optimization is the root of all evil in programming."
Donald Knuth, repeating C. A. R. Hoare
"To die for a religion is easier than to live it absolutely"
Jorge L. Borges