A coalition of large green groups has pledged to support Mark Udall, Tom Udall, and Jeanne Shaheen in their campaigns to become senators in 2008. Colorado Representative Mark Udall and his cousin, New Mexico Representative Tom Udall, will run for Senate seats in their respective states; Shaheen is the former governor of New Hampshire, and will run there. All three are Democrats. The green groups, including the Sierra Club, League of Conservation Voters, and Defenders of Wildlife, feel confident about the effect that their support will have, pointing to the 2006 defeat of Sen. Richard Pombo (R-Calif.) as evidence of previous decisive victory.

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