Ken Buck (R) and Michael Bennet (D)
 / FOX21: file photo
DENVER (AP) -- Colorado's Senate race shifts into high gear this week with the candidates planning several debates, starting Monday evening in Denver.
Democratic Sen. Michael Bennet faces off with Republican Ken Buck at the University of Colorado at Denver. The candidates meet again Friday at the Denver Metro Chamber of Commerce, and they head to Washington over the weekend for a debate appearance Oct. 17 on NBC's "Meet The Press."
So far, Bennet and Buck have debated in Grand Junction, Colorado Springs and Pueblo.
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