Posted at 05:16 AM ET, 08/07/2012

Romney sets sights on quartet of Obama-won swing states (Tuesday’s Trail Mix video)

Mitt Romney on Saturday will kick off a much-anticipated bus tour that brings him to the four biggest swing states in the country.

What’s in store for the four-day trip? Today’s Trail Mix takes a look:

By  |  05:16 AM ET, 08/07/2012

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