Contact: Peggy Birchfield, National Clergy Council, 202-546-8329, ext 103WASHINGTON, Nov. 19 /Christian Newswire/ -- A Christmas nativity scene will be set-up on the sidewalk in front of the US Supreme Court this Thursday, November 20, at 10:30 AM. The rare exhibit is part of a news conference announcing this year's launch of Operation Nativity, an annual effort to promote the display of nativity scenes across the country on private and public property.The event, jointly Source: Faith and Action