The good news, which is not really "good" news much at all, is that Japan's Fukushima nuclear reactors didn't all fully melt down in the last 12 hours. That may sound cynical, but if you were following the fast developments in last night's news, a total nuclear catastrophe really did seem imminent. It's still unclear, though, how much radiation is leaking into the air, and another mid-size (6.1 magnitude) earthquake did strike southwest of Tokyo overnight. Meanwhile, U.S. Treasuries are soaring! Here's the latest news.