Calculus of Doom
This is the way the world ends, multiple choice edition:
(a)Euro zone implodes, followed by massive banking collapse in France, Germany, etc., continental chaos and global depression.
(b)Israel attacks Iran, Middle East explodes, oil hits $300/barrel, followed by global depression.
(c)Bachman/Cain/Gingrich elected President, followed by US and global depression.
(d)Global warming produces widespread draught and flooding, followed by wars and economic collapse.
(e)Robots take over nearly all jobs, producing nearly universal employment and global economic collapse.
(f)Robots get tired of being run by idiot humans and assume power, disposing of excess (all?) humans.
(g)All or most of the above.