This is one of those contemporary, really quite touching, dramas that we won't be able to make for too much longer. It centres around an elderly couple, who have been together for seventy years, and live a semi-independent life in a care home. During a routine chat with their nurses, "Rene" (Glenda Jackson) discovers that her husband "Bernie" (Sir Michael Caine) had wanted to go to the impending celebrations for the…