"Swampoodle" was a Philadelphia neighborhood where many Irish immigrants settled in the early twentieth century, among them Martin G. McGuinn's grandparents. McGuinn's story is very much that of the fulfillment of the American Dream, a proud Irish-American's story of rising from these modest beginnings to eventually become CEO of one of America's leading financial institutions. Born in 1942, McGuinn grew up in Princeton, New Jersey, graduated from...