A couple things stand out about the U.S.'s assessment of Cuba these days. Number one, the U.S. diplomats in Havana have started openly stating that Castro is on his last legs. We don't usually see this kind of bluntness from these guys. What does it mean? Is there a new Cuba diplomatic offensive coming up? Forget that, we've had those, to little effect. It can only mean that he really is. Diplomats are predictable creatures, but they don't like to get surprised by events. These statements are for us, not Castro, and I think they're just telling us they're on...