White House Iraq War Bush

We are conditioned early and often not to accuse another person of being a "liar". Culturally, it is one of the harshest insults that one can hurl. Factually, it can be difficult to prove. That is why lawyers rarely accuse witnesses of being "liars". They will show that the witness has "changed his story" or is "mistaken on the facts" or any one of a number of euphemisms for lying.