There is, of course, the occasional exception and Cuckoo K might be one of them. But that's because Cuckoo K has integrity. The overwhelming number of leftwing moonbats do not.
There are die-hards, yes, but so many of them are out of work and know that Obama has not delivered on promises that I do not believe the energy will be re-captured.
And I do believe that enough of them would go 3rd party to make a difference (these would run to the promises of the New Messiah...whoever it would be).