-Survey conducted by NSON Opinion Strategy, 400 likely voters, Margin of Error= +/- 4.65% -Statewide survey conducted Feb 16-17, 2011. Yesterday: A Look at Montana's 2011 Legislative Issues Today: A Look at Montana's 2012 Political Landscape, including the Montana Governor's race, US Senate, and US House. jon Tester-44% Denny Rehberg 47% undecided 7%