Their bosses refer to them as "icon" and "kingpin," but to Vera Wilson and Sid Domenico, devoting nearly seven decades to a single workplace comes down to humble principles.They believe in an honest day's work and keeping the customers happy.They've loyally reported to their respective employers since Franklin D. Roosevelt's first term, since Norma Jeane Mortenson's (a.k.a. Marilyn Monroe) first trip to an orphanage, and more than a decade before British rocker Ozzy Osbourne first glimmered in his pater's eyes. So to say the longtime Roseburg residents are stalwart employees would be a huge understatement. Domenico retired, finally, from Roseburg …