25 British Muslim terrorists are about to finish training in Yemen. http://www.heraldsun.com.au/news/world/second-nigerian-man-arrested-on-jet-in-detroit/story-e6frf7lf-1225814038043 and http://www.thesun.co.uk/sol/homepage/news/article2785733.ece
They will be able to enter the U.S. with no problems on the Visa Waiver Program, either using their own identities or fraudulent identities. There is nothing we can do, except that which we will not, profile the terrorists who are of Pakistani and Somali ethnicity.
Well, if you won't do what you need to survive, then you deserve to die. I would advise not traveling internationally anytime soon. Or on any domestic airline as well.