Sure, if they spike from where they are now to say 7-8 overnight we'de have a problem. But that isn't going to happen and well duh, you know that! Slow gradual incremental increases for another year or so to let us get used to it gradually so no one is freaked out. Saw on TV yesterday that by 2030 it is expected that 60,000,000 new homes will have to be built to accomodate the rising population in the US. 60 million!!!