"Carson is so popular with evangelicals in part because they’ve known him for years (his autobiography is a common assignment in Christian home-school curricula everywhere)."
So Trump's plan to peel them off by talking about Carson's SDA affiliation looks unlikely to succeed.
It’s one of trump’s stupider moves. I homeschooled my two sons, and in our homeschool community, my son enjoyed a bit of celebrity, because he was a pat I entered at Hopkins’ Pediatric Neurosurgery - Dr. Carson’s department.