Who says cats are graceful? They must have some massive PR budget, because my cats, at least, are decidedly not graceful. Proof lies in the tale I’m about to relate. OK, take a look at this picture. This is an old picture; now there is another bookcase along the wall between the light and dark bookcases. It fits snugly – the corners of the book cases meet, creating a square behind them that is blocked off. Nothing is there, can’t get to it. The plastic containers on top of the bookcase aren’t there any more, but the monkey with the…