"Just Drive" she said
Further Ian Welsh's interesting post on GM and Ford: It's interesting when you compare the market cap of GM with Google. GM (and I am going from memory) has a market cap of about 18.5 billion, (interesting in itself as GM has roughly 20 billion in cash on the books) Google 71 billion.
There are some things which Americans do very well, others not so well. Stock markets are not patriotic and they can tell a sunset industry when they see one.