A debate over Iowa students and their cell phones has shifted from the classroom to the Capitol, reports the Des Moines Register. Publicity about tech-savvy teenagers who pick fights, cheat on tests, and trade racy photographs via text message has prompted a bill that would ban cell phones during school hours. The effort comes at a time when many Iowa school policies have loosened because administrators are tired of fighting cell phones or have embraced them as teaching tools. "Kids are texting, and they’re just not paying attention in class," said state Rep. Deborah Berry, D-Waterloo, who is pushing the bill. "Somebody has to get some control here." Berry’s bill could be a long shot, but it has sparked a widespread debate in Iowa over where schools should draw the line between embracing technology and falling victim to it…