Karl Rove's election map

The latest election map from Karl Rove shows some changes:

Mitt Romney continued to build momentum in the latest Karl Rove and Company map, with four critical swing states moving in his direction: Ohio and Colorado moved to "toss up" from "lean Obama" status, Arizona moved from "toss up" to "lean Romney," and Iowa moved from "safe Obama" to "lean Obama."

Check out Karl Rove and Company for all the latest on the 2012 presidential election.