WASHINGTON, DC - JULY 27: U.S. Rep. John Dingell (D-MI) participates in a news conference and rally to mark the 46th anniversary of the passage of Medicare in the U.S. Capitol Visitors Center July ... more 
WASHINGTON, DC - JULY 27: U.S. Rep. John Dingell (D-MI) participates in a news conference and rally to mark the 46th anniversary of the passage of Medicare in the U.S. Capitol Visitors Center July 27, 2011 in Washington, DC. The longest currently-serving member of Congress, Dingell wielded the gavel during that historic session of the House of Representatives in 1965. (Photo by Chip Somodevilla/Getty Images) less 
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Getty Images | Photo By Chip Somodevilla / Getty Images
Wed, Jul 27, 2011 2:34 PM EDT