Democrats
Thomas Carper (Del.), Chairman
Carl Levin (Mich.)
Mark Pryor (Ark.)
Mary Landrieu (La.)
Claire McCaskill (Mo.)
Jon Tester (Mont.)
Mark Begich (Alaska)
Tammy Baldwin (Wisc.)
Heidi Heitkamp (N.D.)
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Republicans
Tom Coburn (Okla.), Ranking Member
John McCain (Ariz.)
Ron Johnson (Wisc.)
Rob Portman (Ohio)
Rand Paul (Ky.)
Michael Enzi (Wyo.)
Kelly Ayotte (N.H.)
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