Public Opinion Strategies (R) for Karl Rove's American Crossroads (R):
44% Shaheen (D)
41% Brown (R)
9% Goldsmith (L)
Methodology
Public Opinion Strategies conducted a statewide survey of 500 likely voters in New Hampshire on behalf of American Crossroads. Eighty percent (80%) of interviews were conducted with landline respondentsand 20% were conducted with cell phone only respondents. Landline interviews were completed August 27-28, and the cell phone interviews were completed August 27-28, 31, and September 1st. The surveyhas a margin of error of +4.38% in 95 out of 100 cases.
http://de.scribd.com/doc/238686008/American-Crossroads-Poll