Veteran GOP Senator Arlen Specter of Pennsylvania discusses his new Democratic Party allegiance at the White House with President Barack Obama in Washington, Wednesday, April 29, 2009. Of specter Obama said, "I'm eager to receive his counsel and his advice, especially when he disagrees." AP Photo logo AP Photo 6 months ago

Veteran GOP Senator Arlen Specter of Pennsylvania discusses his new Democratic Party allegiance at the White House with President Barack Obama in Washington, Wednesday, April 29, 2009. Of specter Obama said, "I'm eager to receive his counsel and his advice, especially when he disagrees."