The Minnesota Republican Party made inroads two years ago with Somali voters and voters of color, but the prospect of retaining them look grim going into this year’s gubernatorial primary. This comes despite the fact that the GOP-endorsed candidate, Kendall Qualls, and his high-profile challenger, Lisa Demuth, are both Black. No Republican candidate of color for Minnesota governor has ever won their primary; Qualls and Demuth are poised to poten…