Check out The Reference Frame blog if you want to read more (and more in-depth) about naturalness. For example: http://motls.blogspot.cz/2012/07/diphoton-higgs-enhancement-... http://motls.blogspot.cz/2013/12/doubly-protected-higgs-is-n...

Otherwise: https://www.google.com/?q=site:motls.blogspot.com+naturalnes...