The mathematical chances of any particular individual being killed or harmed in a "terrorist attack" in the U.S. are so infinitesimal as to be meaningless.

You want to worry about REAL threats?- there's drunk drivers(17000 killed and 70000 injured a year)), automobile accidents in general, firearms(30,000 per year), accidents in the home......etc. hell check on the number of people are killed by dogs in the US every year.

This pathological paranoid hysteria about "being killed by terrorists" is really getting old.