WASHINGTON - Bundle up, kids. It's getting cold inside. As oil and natural gas prices soar, public schools are having to make some tough decisions: turning down the thermostat, finding alternative sources of fuel, even cutting back on the school week. At Menomonie High School in western Wisconsin, principal Tom Wiatr has dropped the temperature a few degrees. Students started wearing zip-up sweatshirts and fleeces to stay warm, raising questions about a school rule against wearing jackets indoors. So the school clarified its policy, even scheduling a fashion show to highlight acceptable clothing. Naturally, it was snowed out. So far,...