Nearly every morning, before 7 a.m., Dr. Kenneth Polonsky is dropped off near the Lakefront Trail on Chicago's South Side, a few steps from Lake Michigan.
He carries no briefcase, wears no suit and has no cup of coffee, the standard trappings of his executive contemporaries.
Instead — at least in the winter — he's covered in high-tech running gear, leaving only a small patch of skin around his eyes exposed to the weather. The outfit, he muses, must raise suspicions among cab drivers.
"It's 6:30 in the morning, it's dark and can be, maybe, 10 degrees outside," he says. "When I ask the driver to drop me by the side of (the road), they must think,...