ETA: This is looking serious. Here are a few more references from other sources:this article from The Globe and Mail.
ETA one (last?) time: The US Federal Reserve dropped its preferred rate by 0.5%. This is stabilizing markets, but I expect it to pull the US dollar down. This is, I think, a painful but prudent and necessary move on their part: the greenback is overvalued, and this will help adjust it without catastrophic consequences.