"When significant political players are willing to say things that flat-out are not true — and when they’re not slowed down by demonstrations of their claims’ falseness — then reporters who stick to he-said, she-said become accessories to deception."
From Poynter.org’s story titled “Did the media just enter age of ‘post-truth politics’ with Paul Ryan speech?”
Please do yourself a favor and learn to use Politifact.com in this sure-to-be confusing election season. They are truly non-partisan (they’ve shot down many Obama statements) and are the best source for pure fact checking.
“Post-truth” should not become a common phrase.