Montana GOP Senate candidate Tim Sheehy is locked in a competitive race with Democratic Sen. Jon Tester.Chip Somodevilla/Getty ImagesThe marquee Montana US Senate election between Tim Sheehy and Jon Tester is on Tuesday.Sheehy is still addressing a gunshot wound incident that shook up the race earlier this year.The Senate race could determine whether Democrats retain their majority in the chamber.Tim Sheehy, the Republican US Senate nominee in Montana and a former Navy SEAL, recently appeared on a podcast hosted by Megyn Kelly, in which he sought to address how he received a gunshot wound to his arm.It's an issue that has dogged Sheehy throughout his race against three-term Sen.