Wrestlemania! Hawking vs Pinker! The Death Match!

In response to a friend's Facebook post:

http://www.iflscience.com/physics/stephen-hawking-claims-aggression-will-be-downfall-human-race

Hawking's point is well taken.  Some believe that the answer to the Fermi Paradox (if there are so many alien civilizations out there, where are they?  There should be lots of clear  evidence of their existence) may be, they acquired advanced technology and used it to exterminate themselves.

Then again: http://www.ted.com/talks/steven_pinker_on_the_myth_of_violence?language=en