Bernie Sanders
US Senator and former representative from Vermont, 2020 Democratic presidential primary candidate
Jim Mowrer
Candidate for Congress in Iowa's 3rd district
John Kerry
68th US Secretary of State, Senator from Massachusetts
Hillary Clinton
US Secretary of State & NY Senator; 2016 Democratic Presidential candidate
Bob Menendez
Democratic US Senator and Representative from New Jersey
Bob Casey
US Senator from Pennsylvania (2007-present)
Harold Ford Jr
Managing director at Morgan Stanley; former US Representative from Tennessee
James H Webb
US Senator from Virginia
Claire McCaskill
NBC/MSNBC contributor, former US Senator from Missouri