Filed under: Ford Motor (F), Goldman Sachs Group (GS)The trouble with trophy wives is that they're high maintenance. They make you look like a real player: Rivals are impressed you bagged one, and boy do they look great on your arm. But a few years in and you begin to see that beauty is often skin deep. Maybe that's a tortured analogy, but it's the first thing I thought of when reading that Ford Motor Co. (NYSE: F) has put its two luxury brands, Jaguar and Land Rover, on the block. There had been a lot of speculation, recently, about whether Ford would unload these two European hotties. Some said that with its recent $800 million sale of Aston Martin, (to a group of Kuwaiti investors, of course), ...