My moggy Larry is the very best of cats. Affectionate, loyal, endlessly patient – even when my baby son whacks him with a hairbrush, or yanks his tail, he never swipes. Sometimes, when my son is crying in his cot, Larry reaches a paw through the bars, to comfort him. Beautiful, of course. Clever green eyes, and a pink button nose. I think of him as a sort of honoured house guest. He really is the very best of cats. The two kings of the pet world, dogs and cats, inspire desperate tribalism from their respective camps. In the cat…