by Harry Enten SurveyUSA 4/19-22/10; 517 likely voters, 4.4% margin of error Mode: Automated phone ( SurveyUSA release ) Washington 2010 Senate 52% Rossi (R), 42% Murray (D) 46% Murray (D), 44% Benton (R) 46% Murray (D), 44% Didier (R) 45% Murray (D), 43% Widener (R) 45% Murray (D), 44% Akers (R) 45% Murray (D), 41% Coday (R)

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WA: 2010 Sen (SurveyUSA 4/19-22)