“Huckabee didn’t build bridges,” said State Senator Jim Argue Jr., a Democrat and leader in the schools overhaul effort. “If you didn’t agree with him, he attacked you.” Charmaine Yoest, a senior adviser to the Huckabee campaign, said it was important to keep in mind that Mr. Huckabee was a Republican governor in one of the most Democratic states in the country. “Yet here’s a man who managed to fix the roads, improve education and actually govern with the Democrats,” Ms. Yoest said. “People say he was intolerant, but how does that square with him being able to build coalitions...