Knowing how to post bail and get out of jail in fifteen minutes is darn handy for almost everyone. For a disoriented 18-year-old who's found himself in a pinch, it's downright necessary. College kids are naive, eager, and prone to trouble, and whether they're funneling beer or fighting sweatshop labor, they need to know their rights. Just logging onto the university computer system, for example, opens a student to a host of legal questions about whether the school can monitor her email or her surfing habits or her blogs. But the amount of practical legal information available to the nation's...