Pennsylvania Senator Arlen Specter’s party switch highlights the growing marginalization of the hard-right Republican Party, now down to two moderates in the Senate. And it highlights the growing ...

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Democrats in Washington were quick to celebrate Republican Senator Arlen Specter’s shocking announcement that he was switching parties. But in his home state of Pennsylvania, Specter’s news received a ...

A year after quitting the GOP and becoming a Democrat, Sen. Arlen Specter is up against fierce competition from both parties for the seat he has held since 1981. Last year, Specter was on the verge of ...

WASHINGTON (AP) -- Veteran Republican Arlen Specter of Pennsylvania switched parties Tuesday with a suddenness that seemed to stun the Senate, a moderate's defection that pushed Democrats to within a ...