Current member
Senate
AK
Republican
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Senate
ME
Republican
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Senate
NM
Democrat
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Senate
MN
Democrat
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Senate
NH
Democrat
Former member
Senate
VT
Democrat
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Senate
ME
Independent
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Senate
ND
Republican
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Senate
CT
Democrat
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Senate
MN
Democrat
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Senate
AZ
Independent
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Senate
NM
Democrat
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Senate
MS
Republican
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Senate
DE
Democrat
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Senate
OR
Democrat
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Senate
MI
Democrat
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Senate
ID
Republican
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Senate
SD
Republican
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Senate
MA
Democrat
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Senate
WI
Democrat
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Senate
AR
Republican
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Senate
WV
Republican
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Senate
ID
Republican
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Senate
ND
Republican
Former member
Senate
AL
Democrat
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Senate
WV
Independent
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Senate
KS
Republican
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Senate
NV
Democrat
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Senate
NH
Democrat
Former member
Senate
MT
Democrat