
From the Huffington Post tweet:
BREAKING: Penn. Sen. Arlen Specter to switch parties, run in Democratic primary in 2010.
I do believe, with Frankin, that makes it a fillibuster-proof majority.
Though virtually guaranteed re-election, he was not guaranteed his party's nomination, and was facing a stiff, right-wing primary challenger over his vote for the stimulus.The GOP's shift to the right has now driven the Senate into the hands of the Democrats. It's not the first time -- the uncompromising partisanship of the Republicans drove Jim Jeffords to run as an independent, turning control over to the Democrats.