U.S. Senator Arlen Specter, the Democrat turned Republican turned Democrat, whose political career spanned five decades, and who was the architect of the single-bullet theory adopted as the U.S.

On Sunday, dozens of members of Congress mourned the loss of long-time former Sen. Arlen Specter, of Pennsylvania, whose 30-year career included changing parties twice and authoring the “magic bullet” ...

(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 starring roles in ...

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 ...

Tuesday’s primary election results will only serve to reinforce the anti-incumbency narrative that has overlaid much of the media coverage of this election season thus far. According to the polls and ...

As friends, colleagues and admirers mourn the death on Sunday of former Pennsylvania Senator Arlen Specter, it’s hard to avoid a metaphor about American politics. Specter spent most of his 30-year ...