Incumbent Republican Jefferson County Coroner LaVar Summers, left, is facing two challengers in the primary. Carl Anderson, center, and Jim Newton, are also vying for the nomination. | Courtesy photos RIGBY – Jefferson County Coroner LaVar Summers, who has served in the position since 2007, has two Republican challengers in the upcoming primary. Carl Anderson and Jim Newton are also vying for the nomination. EastIdahoNews.com sent the same eight…