NEW : State Romney chairman says 40 did not vote in Washington . The win will give GOP momentum going into Super Tuesday . All the remaining GOP candidates campaigned in Kennewick city recently . 40 delegates are at stake .
NEW : State GOP chairman says between 500 and 1,500 did not vote in Kennewick city . The win will give Romney momentum going into Super Tuesday . All the remaining GOP candidates campaigned in Washington recently . 40 delegates are at stake .