Former Republican Senator Arlen Specter passed away on Sunday morning at the age of 82. His son said he lost his battle with non-Hodgkin's lymphoma. Living up to his reputation as a hard guy to keep ...

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Arlen Specter, the former senator from Pennsylvania who stunned both parties on Capitol Hill in 2009 when he announced he would switch his party allegiance to Democrat after 42 years as a Republican, ...

HARRISBURG, Pa. -- For most of his 30 years as Pennsylvania's longest-serving U.S. senator and prominent moderate in Congress, Arlen Specter was a Republican, though often at odds with the GOP ...

HARRISBURG, Pa. (AP) – Arlen Specter, a pugnacious and prominent former moderate in the U.S. Senate who developed the single-bullet theory in President John F. Kennedy’s assassination and played ...

Senate Democratic primary is a test of the anti-Washington sentiment. May 18, 2010— -- Voters across Pennsylvania today started casting their votes in the Senate primary race that could become a ...

RACHEL MARTIN, BYLINE: This is WEEKEND EDITION from NPR News. I'm Rachel Martin. Longtime Republican Senator Arlen Specter has died. The GOP firebrand made headlines in 2009 when he switched parties.

The last time Arlen Specter read some alarming poll results about a Republican primary match-up against Pat Toomey, the five-term U.S. Senator bolted to the Democratic Party. What will Specter do now?

From the Roberts Supreme Court nomination to the Patriot Act to stem-cell research, Sen. Arlen Specter is at the center of several high-profile... If there were a "Player of the Month" award in the ...