She’s smart, she’s talented, and she loves America. After nearly seven years of the East Wing’s politics of mope and complain, it’s refreshing to see a presidential candidate’s spouse who is always smiling. Candy Carson — wife of GOP 2016 hopeful Dr. Ben Carson, mother of three sons, and grandmother of two — is the anti–Michelle Obama. She’s a quiet but confident ray of sunshine: down-to-earth, devoutly Christian, and proudly patriotic. While Mrs. Obama first gained notoriety by carping about racism and trashing America, Mrs. Carson helped kick off her husband’s 2016 bid by playing the violin with a gospel...