The words that won Dave Mitchell the most distinguished prize in journalism don’t come easily now, and his balance is compromised. Just moving from the back of his comfy living room chair to the front is an ordeal. He doesn’t inch along; he moves in centimeters.

Slowly and deliberately, Dave lowers his wiry, 6-foot, 3-inch frame onto his familiar cushioned perch. He’s had several falls lately and can’t afford another. Finally arriving at his destination,…