PIERRE, S.D. (MITCHELLNOW)It appears that it will be a tight race to win the Republican nomination for South Dakota governor.  South Dakota News Watch reports poll results saying U.S. Representative Dusty Johnson and incumbent Larry Rhoden reflect similar approval numbers.  28 percent say they would vote for Johnson while 27 percent would vote for Rhoden.  The poll’s margin of error is no more than four-point-five percent. For more Government stories from MitchellNow.com, Click Here.