Dear President Obama:
Re: Bi-partisanship
It takes two to tango - but when one partner is only looking to tangle, it ain't a dance anymore!
Or, another metaphor: the republicans have switched the road signs around and taken down the barrier where the bi-partisan bridge has been washed out.
Or another: Don't forget, Wiley Coyote never caught on, but he was just a cartoon character.