Obama got his clock cleaned by Romney in the first debate on October 3, 2012, plunging his campaign into an abyss of desperation. Obama directed his officials and attack dogs, including the media, to bombard the Romney camp with the "Liar" label. Obama robots are attaching the word "Liar" and "Romney" everywhere they can. But its not working.
Calling someone a liar is a serious charge, which is designed to be a loaded word suggesting bad faith or total, cynical falsity. The Romney camp has ample opportunity to do the same with Obama, but has chosen not to do so [UPDATE 10/18/2012: it would now appear that Romney's pundits and supporters are now using the "Liar Card" in the situation with our dead Ambassador to Libya - is turnabout fair play?]. For instance, every time he talks, Obama says he wants to increase taxes on the "Millionaires and Billionaires", yet his tax increase proposal starts with individuals making $200,000 a year; should the Romney team be similarly calling Obama a liar? The statement clearly is a lie. What? You mean Romney's camp isn't using the Obama "liar" tactic? Why not? Um, maybe because Romney comes from a political generation that knows how to play rough, but knows the limits of going too low at the presidential level. Obama plays by "Chicago Politics" rules, and its unfortunate for the American public to be exposed to these playground level tactics.
Traditionally, in politics, there are all kinds of ways to suggest that an opponent is not telling the truth, such as this weeks Obama TV ad asking "How Can We Trust Mitt Romney?" No objection to that approach. To have top officials from the Obama campaign yelling "Romney is a liar" at every opportunity screams of desperation and a "get elected at any cost" mentaility. Sad.
A source none other than the liberal Huffington Post picked up on this Liar tactic quickly after the debate. Just try googling "Romney" and "Liar" and see how many hits you get from the upper echelons of the Obama Campaign and Obama Staff.
For a take on the conservative angle, you can read Bill Bennett defending Romney in the first debate as NOT being a liar.
