If Mendy Calegari had a favorite Beatles song, it might easily be “Eight Days a Week.” And even that amount of time might not be enough for the owner of Marin Roto-Rooter to accomplish all she does.Her busy workweek, coupled with scores of community activities and her role as mom to a 7-year-old son, keeps her running. But it’s all paid off for Calegari, whose business was recognized by the Novato (California) Chamber of Commerce last year as Small Business of the Year.Juggling a busy schedule is just one of Calegari’s more refined skills. “I have to be honest,” she
