Barack Obama
44th President of the United States
Democratic Senatorial Campaign Committee
Political Fundraising Committee for Democratic Senatorial Candidates
Tammy Baldwin
US Senator from Wisconsin (2013-present); former US Rep from Wisconsin (1999-2013)
Daniel Joseph Seals
Three time congressional candidate from Illinois
Claire McCaskill
NBC/MSNBC contributor, former US Senator from Missouri
Tammy Duckworth
Democratic US Senator from IL; former US Representative
Russ Feingold
Former US Senator from Wisconsin
Alexander Giannoulias
Candidate for US Senate from Illinois in 2010
Mazie Hirono
US Senator from Hawai (2013-present); former US Rep from Hawaii (2007-2013)