The Meaning of Specter’s Switch

Forty-four years after he left the Democratic Party to launch his political career, Arlen Specter is returning to the fold in an effort to save it, announcing just moments ago that he will leave the Republican Party and seek re-election in Pennsylvania next year as a Democrat. Among the implications of this move:
* The most talked about will be that Democrats, once Al Franken is finally seated, will have their coveted 60-seat super-majority, allowing them to shut down Republican filibusters. For Democrats, the timing couldn’t be any better, with Senate Republicans threatening to use filibusters on mundane matters to grind the Senate to a halt in the coming months.