Barack Obama
44th President of the United States
Gabby Giffords
US Representative from Arizona
Democratic National Committee
Governing body for the U.S. Democratic Party
Richard Carmona
Former US Surgeon General; 2012 candidate for US Senate from Arizona
John McCain
US Senator and Representative from Arizona
John Kerry
68th US Secretary of State, Senator from Massachusetts
Ron Barber
Democratic US Representative from Arizona
John Edwards
Former U.S. Senator from North Carolina