Because I'm not that keen on the new edition carrying on with nuclear warfare, hacking your enemy's infrastructure might be more plausible:
Holes in critical infrastructure:
https://threatpost.com/hacking-traff...d-chaos/105789
http://www.cnet.com/news/serious-hol...ware-says-u-s/
http://www.cnet.com/news/u-s-warns-o...oftware-holes/
http://www.cnet.com/news/maker-of-sm...iscloses-hack/
http://www.computerweekly.com/news/2...-SCADA-systems
...
Also in clean power infrastructure:
http://www.theregister.co.uk/2014/05...rt_free_money/
Cyberwar is the new normal:
http://www.cnet.com/news/chinas-cybe...ew-normal-faq/
A cyberwar scenario, and the preparations that are actually underway:
http://www.techrepublic.com/article/...tal-arms-race/
Just one flaw in one piece of software (Heartbleed) caused experts to recommend that every user change every password, everywhere. But only once you've confirmed that every site you use has fixed it (as if). What if it had been used in anger before it was found?
http://www.cnet.com/news/how-to-prot...eartbleed-bug/