CHICAGO — Randy Jue shuffled through a heap of papers on the desk inside his Bridgeport business until unearthing a detailed map of Chicago’s 11th Ward, where he spotted opportunity. The son of Chinese immigrants who got his start in politics offering cheap printing jobs for newcomer candidates, Jue has established himself as an intuitive adviser to several winning campaigns, some of them by people of color. Now looking over the map of the newly drawn 11th Ward — famous for producing five mayors in the 20th century — Jue spotted something that could give an advantage to Chicago’s newest Asian …