Live President Obama outlines U.S. plans at UN Climate Summit

Struggling Senator Sticks To Middle Of Road In Colo.

News & Features Jeff Brady · ·
Sen. Michael Bennet (D-CO) visits with a young girl as he campaigns in downtown Colorado Springs, Colo., on Aug. 9. After surviving a tough primary challenge, Bennet is now in a close race with Tea-Party-backed Republican Ken Buck.