verybody has something they regard as being nobody's business but their own. This does not mean that they are up to no good, that they have a scandalous secret buried deep in their closet. Merely that there are details about their lives - from the mundane (their unlisted home telephone number perhaps) to the serious (such as treatment for a hereditary illness) - that they prefer to keep in a protected space marked private. Increasingly, however, our freedom to define a private space for ourselves is being restricted.

(CBS) It is America's new reality: security and surveillance. From intense scrutiny at airports to expanded government authority to track Internet use, federal agents now watch American citizens more closely than ever, reports CBS News Correspondent John Blackstone.