Watch Nights mark Emancipation Proclamation 150th

This year, the Watch Night tradition will follow the historic document to its home at the National Archives with a special midnight display planned with readings, songs and bell ringing among the nation's founding documents.

The official document bears Lincoln's signature and the United States seal, setting it apart from copies and drafts. It will make a rare public appearance from Sunday to Tuesday - New Year's Day - for thousands of visitors to mark its anniversary. On New Year's Eve, the display will remain open past midnight as 2013 arrives...