Nassim Nicholas Taleb (The Black Swan, Fooled By Randomness, etc) seems to think we are not out of the woods on large scale violence, this is a responce to Steven Pinker’s masterwork, The Better Angels of our Nature, http://www.fooledbyrandomness.com/longpeace.pdf Here are some links to criticisms of both pieces https://mikespagat.wordpress.com/2016/06/07/forecasting-world-war-iii-an-exchange-of-letters/