Senate Tracker: Colorado, The New Swing State

In the latest installment of Senate Tracker, our weekly look at Senate races across the country, Here & Now's Sacha Pfeiffer turns to Megan Verlee of Colorado Public Radio for a look at the race there.

Republican Congressman Cory Gardner is trying to unseat Democratic incumbent Senator Mark Udall, in a race that is very close and is bringing issues of women's rights and the president's health care law into play.