Prometheus 6   

the trope that has really caught on among elites is the notion that Bush is a liar. The New Republic and Paul Krugman trumpeted this charge early on, and now the Washington Monthly has chimed in, with one of the most fatuous and rigged pieces of lazy insta-journalism I've read in a while. (Bob Somerby gets it right, for once.) It's not just that I find the Monthly's (and Krugman's) charges silly. They conflate mis-statements, deliberate confusion, euphemism, ignorance and dishonesty in ways that make it hard for anyone to emerge a non-liar. It's more that when you start using the term "liar" promiscuously in public discourse, you make such discourse increasingly impossible. The term should be reserved only for a conscious and deliberate statement that you know is untrue as you speak or write it...