Two new polls showed the white-hot Massachusetts Senate race between GOP Sen. Scott Brown and Democratic Harvard Professor Elizabeth Warren to be neck-and-neck. The race remains essentially tied despite weeks of controversy surrounding Warren's intermittent claims during her professional career that she is of Native American heritage. A Boston Globe/University of New Hampshire poll of likely voters found Brown getting 39 percent to Warren's 37 percent in a matchup. Twenty-three percent of those surveyed were undecided. A Springfield Republican newspaper/Western New England University Polling Institute poll of registered voters found Brown getting 43 percent to Warren's 45 percent. Eleven percent of those surveyed were undecided. (more…)