A quick search on /. reveals the debate of this issue goes back years:
http://slashdot.org/story/06/11/01/2312222/prepared-for-next-years-time-change
http://hardware.slashdot.org/story/07/03/12/1024226/is-daylight-saving-shift-really-worth-it
http://yro.slashdot.org/story/08/03/04/0241218/daylight-saving-time-wastes-energy
http://science.slashdot.org/story/11/03/12/1758215/is-daylight-saving-time-bad-for-you

P(terrorist, nuclear) = P(terrorist | nuclear) * P(nuclear)
Because "Make no mistake, if [terrorists] get [nuclear material], they will use it."
P(terrorist | nuclear) = 1
P(terrorist, nuclear) = P(nuclear)
we are doomed ...