Summary: Could and should Bill Gates return to day-to-day responsibilities at Microsoft? Fortune is reporting there’s a rumor to that effect. Fortune reported on December 8 that there’s talk Microsoft Chairman Bill Gates might be mulling a comeback, largely to help boost Microsoft’s stagnant stock price and employee morale.I have to say I am very, very, very skeptical on this one.First, it seems this is a single-sourced report. Fortune says: “One prominent chief executive told Fortune he’d heard from someone close to Gat...