Perhaps he became a racist because: "He believed that there was overt discrimination against young men from the South or West .."
Ironic he received his education through " the generous G.I. Bill education subsidy available to war veterans, "
Frank Knight, in 6 weeks converted him from a socialist to " a zealous advocate of the market order"
Knight: "one of the major figures in preserving and promoting classical liberal thought in the twentieth century."
source: wiki