Walter Wriston (b. 1919, d. 2005) was a distinguished banker for most of his life. He headed up Citibank/Citicorp from 1967 until 1984. He chaired the Economic Policy Advisory Board from 1982 to 1989 and was reportedly offered the post of Secretary of the Treasury twice, but turned it down. He was also an Eagle Scout and received the Presidential Medal of Freedom, but that’s not really relevant. Wriston was also something of a visionary about how the information revolution would change the world of business. He started offering MasterCard to his customers in 1969, ultimately mailing out 20...