Complex sentence: He is an American black with a Ph.D. in Sociology from the University of Michigan, an ex-Marine, speaks arabic, French, Tamabeq, Songhai, and Swahili.
Split into simpler sentences: He is an American black with a Ph.D. in Sociology from the University of Michigan and an ex-Marine. He speaks arabic, French, Tamabeq, Songhai, and Swahili.