Six served in the House (Burr, Tom Coburn (R-Okla.), Jim DeMint (R-S.C.), Johnny Isakson (R-Ga.), Thune and Vitter), which is up from four in the Class of 2002.

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Ted Kaufman (D-Del.) and Johnny Isakson (R-Ga).

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Johnny Isakson, R-Georgia, and former Sen.

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