Hazardous materials crews responded to a Sacramento-area Wal-Mart store Thursday night after reports that a strong odor was making people sick. The incident happened at the Wal-Mart on Florin Road. Authorities said four people were sickened enough that they had to be taken to area hospitals. "I just got a whole lot of light headedness, and dizziness. It was just a big odor that I can't explain. I've never smelled anything like it in my life," evacuated shopper Angel Clokey said. There were reports that the odor may have been caused by spoiled milk, but authorities are continuing to investigate....