Michigan worried about possible job losses. U.S. and Canadian union leaders against a merger. This has an interesting graph of auto-industry job losses since 2000. I'd be even more interested in seeing a graph for, say, the last 50 years.
GM may be unable to get financing to swing the merger. This is since the paper was printed last night. I'm not an online subscriber, so I was only able to read the first two or three sentences of the article.