Portrait of George Washington, whose personal copy of the US Constitution and Bill of Rights fetched $9.8m at auction. Photograph: Stock Montage/Getty ImagesGeorge Washington's personal copy of the US constitution and bill of rights sold for $9.8m (£6.3m) at auction on Friday, setting a record for any American book or historic document.Bidders at Christie's New York salesroom and others on the telephone competed for the first US president's signed,...