Like Frankie Avalon and dutiful housewives, the humble tail-fin has become the preserve of wistful nostalgia since its Fifties heyday, But now it's back albeit in a more upright. functional guise in the Cadillac CTS Sport Wagon. Look at those pointy tail-lights. You could slice bacon on those. Probably. Confirming suspicions that Cadillac has found at least a bit of styling mojo, it's set to reach the UK next autumn. No word yet on whether we'll get a V8-flavoured V version, but it'd fit nicely with the whole Fifties schtick. And what with the Commies back to their old tricks, you can drive with with the scent of Cold War paranoia in your nostrils.