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  • Kim Mack

    Cochair, Sacramento for Obama
    Sacramento, California

    Kim Mack, 44, a manager for the county of Sacramento, helped start one of the largest and most active grassroots Barack Obama groups in the country (Mack's husband, Vince, in the background, is a member). Her group is using online social-networking tools to organize and has quickly mushroomed to more than 300 members.

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