Ever since Christmas Eve 1944, when San Francisco Ballet staged the first complete “Nutcracker,” the company has had an indelible association with the holiday favorite set to Tchaikovsky’s enchanting music that ballet-goers, particularly children, adore. The Helgi Tomasson-choreographed production onstage Dec. 13-30 at the War Memorial Opera House this year includes special sensory- and family-friendly […]