Ohio and a lot of other states are moving to "value-added" ways of evaluating teachers. Some question whether numbers really tell the story, but others contend the old way of evaluating teachers is too loose. Our StateImpact team and the Plain Dealer are taking a lot closer look at what the numbers show -- and what they miss.

Americans spend $4.3 Billion each year on herbal medicine without the blessings of the medical establishment. Many natural products have been shown to fight disease, but the burden of proof to take them from the lab bench to the bedside is very high, and expensive. The Nutraceutical Gap on this week's Exploradio.WKSU News: Exploradio: The nutraceutical gapwww.wksu.orgResearch shows that natural products can treat a range of diseases, but basic research isn\'t enough to make nutraceuticals mainstream