| NH | | R | John Sununu | n.a. | 100% | 100% | |
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| SC | | R | Jim DeMint | n.a. | 100% | 100% | |
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| AZ | | R | Jon Kyl | n.a. | 94% | 97% | |
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| NH | | R | Judd Gregg | n.a. | 92% | 96% | |
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| OK | | R | Tom Coburn | n.a. | 100% | 95% | |
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| NV | | R | John Ensign | n.a. | 94% | 94% | |
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| CO | | R | Wayne Allard | n.a. | 90% | 94% | |
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| NE | | R | Chuck Hagel | n.a. | 87% | 93% | |
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| KS | | R | Sam Brownback | n.a. | 98% | 93% | |
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| OK | | R | James Inhofe | n.a. | 94% | 91% | |
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| GA | | R | Saxby Chambliss | n.a. | 93% | 89% | |
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| KY | 00 | R | Mitch McConnell | n.a. | 87% | 88% | |
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| KY | | R | Jim Bunning | n.a. | 94% | 88% | |
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| AL | | R | Jeff Sessions | n.a. | 79% | 86% | |
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| TX | 00 | R | John Cornyn | n.a. | 87% | 86% | |
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| IA | 00 | R | Chuck Grassley | n.a. | 86% | 85% | |
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| VA | | R | George Allen | n.a. | 86% | 85% | |
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| WY | | R | Michael Enzi | n.a. | 99% | 85% | |
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| GA | | R | Johnny Isakson | n.a. | 79% | 83% | |
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| WY | | R | Craig Thomas | n.a. | 89% | 83% | |
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| TN | | R | William Frist | n.a. | 73% | 81% | |
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| ID | | R | Larry Craig | n.a. | 87% | 80% | |
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| NC | | R | Richard Burr | n.a. | 75% | 80% | |
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| SC | 00 | R | Lindsey Graham | n.a. | 86% | 79% | |
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| FL | | R | Mel Martinez | n.a. | 75% | 79% | |
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| TN | | R | Lamar Alexander | n.a. | 78% | 79% | |
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| NC | | R | Elizabeth Dole | n.a. | 80% | 79% | |
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| LA | | R | David Vitter | n.a. | 77% | 77% | |
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| PA | | R | Richard Santorum | n.a. | 81% | 77% | |
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| AZ | | R | John McCain | n.a. | 76% | 76% | |
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| MS | | R | Trent Lott | n.a. | 71% | 76% | |
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| UT | | R | Robert Bennett | n.a. | 71% | 75% | |
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| ID | 00 | R | Mike Crapo | n.a. | 78% | 74% | |
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| SD | 00 | R | John Thune | n.a. | 80% | 71% | |
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| UT | | R | Orrin Hatch | n.a. | 66% | 70% | |
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| MS | | R | Thad Cochran | n.a. | 56% | 68% | |
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| KS | | R | Pat Roberts | n.a. | 57% | 67% | |
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| TX | | R | Kay Hutchison | n.a. | 58% | 66% | |
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| MO | | R | Christopher Bond | n.a. | 56% | 65% | |
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| AL | | R | Richard Shelby | n.a. | 55% | 64% | |
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| VA | | R | John Warner | n.a. | 56% | 64% | |
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| MT | | R | Conrad Burns | n.a. | 57% | 63% | |
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| NM | | R | Pete Domenici | n.a. | 54% | 62% | |
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| AK | 00 | R | Lisa Murkowski | n.a. | 43% | 62% | |
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| AK | | R | Ted Stevens | n.a. | 47% | 62% | |
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| IN | | R | Richard Lugar | n.a. | 52% | 61% | |
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| MO | | R | James Talent | n.a. | 55% | 59% | |
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| MN | | R | Norm Coleman | n.a. | 44% | 52% | |
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| OH | | R | George Voinovich | n.a. | 40% | 48% | |
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| OR | | R | Gordon Smith | n.a. | 48% | 47% | |
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| PA | | D | Arlen Specter | n.a. | 40% | 44% | |
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| OH | | R | Michael DeWine | n.a. | 43% | 43% | |
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| NE | | D | E. Benjamin Nelson | n.a. | 49% | 42% | |
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| RI | | R | Lincoln Chafee | n.a. | 27% | 27% | |
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| ME | 00 | R | Susan Collins | n.a. | 22% | 22% | |
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| FL | | D | Bill Nelson | n.a. | 25% | 17% | |
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| MT | | D | Max Baucus | n.a. | 17% | 15% | |
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| ME | | R | Olympia Snowe | n.a. | 9% | 14% | |
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| LA | | D | Mary Landrieu | n.a. | 11% | 12% | |
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| WA | 00 | D | Maria Cantwell | n.a. | 6% | 12% | |
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| AR | | D | Blanche Lincoln | n.a. | 12% | 12% | |
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| AR | | D | Mark Pryor | n.a. | 18% | 12% | |
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| DE | | D | Thomas Carper | n.a. | 6% | 11% | |
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| ND | | D | Kent Conrad | n.a. | 15% | 11% | |
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| NM | | D | Jeff Bingaman | n.a. | 1% | 7% | |
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| CA | | D | Dianne Feinstein | n.a. | 0% | 7% | |
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| WA | 00 | D | Patty Murray | n.a. | 4% | 6% | |
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| OR | 00 | D | Ron Wyden | n.a. | 0% | 5% | |
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| WV | | D | John Rockefeller | n.a. | 6% | 4% | |
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| IL | | D | Barack Obama | n.a. | 7% | 4% | |
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| NY | | D | Hillary Clinton | n.a. | 8% | 4% | |
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| VT | | I | James Jeffords | n.a. | 0% | 4% | |
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| CO | | D | Ken Salazar | n.a. | 4% | 4% | |
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| ND | | D | Byron Dorgan | n.a. | 5% | 3% | |
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| MI | | D | Debbie Stabenow | n.a. | 6% | 3% | |
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| NY | 00 | D | Chuck Schumer | n.a. | 3% | 3% | |
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| MI | | D | Carl Levin | n.a. | 5% | 3% | |
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| WI | | D | Herb Kohl | n.a. | 6% | 3% | |
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| WI | | D | Russ Feingold | n.a. | 1% | 3% | |
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| NV | | D | Harry Reid | n.a. | 3% | 2% | |
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| HI | | D | Daniel Inouye | n.a. | 2% | 2% | |
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| SD | | D | Tim Johnson | n.a. | 3% | 2% | |
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| MA | | D | John Kerry | n.a. | 4% | 2% | |
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| CT | | D | Joseph Lieberman | n.a. | 1% | 2% | |
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| IN | | D | Evan Bayh | n.a. | 1% | 2% | |
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| RI | 00 | D | Jack Reed | n.a. | 0% | 1% | |
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| CT | | D | Christopher Dodd | n.a. | 0% | 1% | |
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| DE | | D | Joseph Biden | n.a. | 1% | 1% | |
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| HI | | D | Daniel Akaka | n.a. | 0% | 1% | |
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| MA | | D | Edward Kennedy | n.a. | 0% | 0% | |
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| MD | | D | Barbara Mikulski | n.a. | 0% | 0% | |
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| VT | | D | Patrick Leahy | n.a. | 0% | 0% | |
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| MN | | D | Mark Dayton | n.a. | 0% | 0% | |
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| NJ | | D | Frank Lautenberg | n.a. | 0% | 0% | |
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| WV | | D | Robert Byrd | n.a. | 0% | 0% | |
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| IA | | D | Tom Harkin | n.a. | 0% | 0% | |
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| CA | | D | Barbara Boxer | n.a. | 0% | 0% | |
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| IL | 00 | D | Dick Durbin | n.a. | 0% | 0% | |
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| MD | | D | Paul Sarbanes | n.a. | 0% | 0% | |
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| NJ | | D | Robert Menendez | n.a. | 0% | 0% | |
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