While speaking to department employees this week, U.S. Housing and Urban Development Secretary Ben Carson referred to slaves as immigrants. “That’s what America is about, a land of dreams and opportunity. There were other immigrants who came here in the bottom of slave ships, worked even longer, even harder for less,” he said. “But they too had a dream that one day their sons, daughters, grandsons, granddaughters, great-grandsons, great-granddaughters, might pursue prosperity and happiness in this land.” If he don’t….