11ac. Corruption seen in Post Office-and one's positive.PROTO?. I think it s 'proton', but how does the word play work? Surely its P(rot)O, but where does the N at the end come from? Also, 8d. Force supposedly among the characteristics of mythological personage(4). O?IN. Ive put 'odin' but don't see why. Thanks for any help.