Part 2 of 3. In Washington, D.C., items include an 1813 Congressional sword; an early 20th-century Tiffany & Co. Sinclair mantel clock; and a Charles Schreyvogel sculpture of a soldier and his horse that's valued at $60,000 to $90,000. Also: the New Deal's WPA program, the art it sponsored and efforts to locate some of the lost treasures are discussed with General Services Administration inspector general Brian Miller.