Though the Kennedy campaign has been throwing everything they've got at the DFL candidate, county attorney Amy Klobuchar is maintaining her edge in the race for U.S. Senate, now besting Republican Mark Kennedy 47% to 40% (see crosstabs). Independent candidate Robert Fitzgerald attracts 8% of the vote. Klobuchar's advantage has narrowed since our earlier August poll, but her current seven-point lead remains significant. For most of 2006, there have been only two or three points separating the major-party candidates. Based upon this poll, we are shifting the race from “Democrat” to “Leans Democrat” in our Senate Balance of Power summary....