Democratic Sen. Mark Begich is trailing GOP challenger Dan Sullivan , 50 % -44 % . The poll was conducted from June 30 to July 1 and has a margin of error of plus or minus 4 percentage points. GOP Gov . Sean Parnell trails his challenger by 6 % .
Democratic Sen. Mark Begich is trailing GOP challenger Dan Sullivan , 50 % -44 % . The Alaska Senate race is key to Republicans ' hopes of winning control of the chamber . GOP Gov . Sean Parnell trails his challenger by 6 % .