Sen. Michael Bennet, Colorado Democrate, addresses supporters before first lady Michelle Obama speaks during rally for re-election of Sen. Mark Udall in Denver on Oct. 23, 2014. (Associated Press) **FILE**
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Sen. Michael Bennet, Colorado Democrate, addresses supporters before first lady Michelle Obama speaks during rally for re-election of Sen. Mark Udall in Denver on Oct. 23, 2014. (Associated Press) **FILE**
