Kansas City Star: Many of the world`s great rivers are becoming less so. Yet in the Midwest, the wet is getting wetter. So says a study that finds global climate change shifting weather and water patterns around the planet. “In terms of water, the rich are getting richer and the poor are getting poorer,” said Kevin Trenberth, head of climate analysis at the National Center for Atmospheric Research. And, he said, the poverty of precipitation is more dramatic than the wealth of water …