Joe Sestak
2020 Dem. presidential candidate, former US Representative from Pennsylvania, retired 3-star vice admiral
Mark Udall
former US Senator and Representative from Colorado
Al Franken
Former US Senator from Minnesota, Saturday Night Live contributor
Barack Obama
44th President of the United States
Kamala Harris
former U.S. vice president, California U.S. senator, prosecutor
Russ Feingold
Former US Senator from Wisconsin
Michael Bennet
US Senator from Colorado