It would be bad enough if the radio station had just mentioned the false rumor in passing. But they announced half an hour in advance that they would make a big announcement, they did, they said they had 2 sources, and it turned out to be false. Callers should give them hell next time they can call in.
But there aren't 2 that aren't sinking. According to the post, we are sinking and there are 28 or 29 at the bottom already. That means there is one or zero that is floating.
(or, I suppose, you could say the 28 or 29 at the bottom aren't sinking (anymore). But that's not 2 either.)