Maggie Hassan
US Senator from New Hampshire
Catherine Cortez Masto
Nevada U.S. Senator, former Nevada Attorney General
Democratic Congressional Campaign Committee
Committee to elect Democratic Congressmembers
Senate Majority PAC
Democratic SuperPAC that supports Senate candidates
Russ Feingold
Former US Senator from Wisconsin
Americans for Responsible Solutions
Gun-control non-profit/PAC
Kyrsten Sinema
US senator from Arizona (2019-present); former US Rep from Arizona (2013-2019)
Tammy Duckworth
Democratic US Senator from IL; former US Representative
Sherrod Brown
Democratic US Senator from Ohio (2007-present); former US Rep from Ohio (1993-2007)
Patrick Murphy
Former US Representative from Florida (2013-2017)