Retiring Chicago officers opening Dunkin' Donuts in Libertyville Like any business owners, the Evans brothers are a bit edgy as the grand opening approaches. The bagel oven needs to be calibrated, there is a major glitch getting the credit card machine installed, and dozens of other details demand simultaneous attention. Though stressful, getting Libertyville's first Dunkin' Donuts franchise up and running isn't in the same league with their career jobs, however. Jim Evans is a Chicago police detective and brother Tom is also a police officer assigned to the same North Side area. With about 35 years' combined experience, they...