Thanks for the ideas guys. I think sitting out, getting wet and drying in the sun is probably how it got this way in the first place. I'll give the water and sun a chance to bring it back straight. Even if it's not perfect, just better, I'll be happy. Sam has a good point, if nothing else it might keep my rug cleaner.
I don't have access (or time) to the tools to rip it down and joint it back together, although I do agree, it would be the best way to do it. We paid $13, so we're not expecting it to be perfect, but I'm always trying to make things better. I'll let you know how it works out.
Thanks
Bill