Imagine a place where kids are given guns and turned into child soldiers. It sounds like something from a far-off civil war. But it is happening right here. In South Texas, drug gangs are taking advantage of children on both sides of the border. Reporter Josiah Hooper investigates the recruitment of teenage assassins. For-profit schools are taking in billions of dollars from the new GI Bill. But what are veterans - and taxpayers -- getting in return? Reporter Aaron Glantz examines the track record of the University of Phoenix, the nation's largest recipient of GI bill money. In oil-rich Qatar, an arid, Middle East mini-state facing shortages of fresh water and extreme challenges in growing food. Reporter Jon Miller shows us how scientists there are conducting ambitious experiments to create more drinking water and make the desert bloom. In an animated story, reporter Michael Montgomery tells how he once, inadvertently, found himself High on the Job, while covering California's growing medical marijuana industry. It's a cautionary tale, both funny and revealing. Call it a "reporter confessional."