Specter Leaves GOP, Shifting Senate BalanceSource: The Washington Post
Sen. Arlen Specter of Pennsylvania provided a boost to President Obama's ambitious legislative agenda yesterday by abandoning the Republican Party in the face of shifting political realities at home and an aggressive courtship by the White House and party leaders.
TOOMEY: Arlen Specter's betrayalSource: The Washington Times
Sen. Arlen Specter's switch to the Democratic Party has implications on a personal and national scale.
Party switching: courage or ambition?Source: Politico
Like any bitter divorce, Sen. Arlen Specter's departure from the Republican Party was followed immediately by bitter recriminations and the central question of who betrayed whom.