Former member
Senate
AZ
Independent
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Senate
WI
Democrat
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Senate
ME
Republican
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Senate
DE
Democrat
Former memberVice presidentDemocrat
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Senate
HI
Democrat
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Senate
ME
Independent
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Senate
MN
Democrat
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Senate
VT
Democrat
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Senate
MA
Democrat
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Senate
OR
Democrat
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Senate
MT
Democrat
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Senate
NC
Republican
Current member
Senate
MA
Democrat
Current member
Senate
OR
Democrat