Thieves have stolen a solid gold toilet worth up to £1 million ($1.25 million) from the birthplace of British wartime leader Winston Churchill. The toilet, the work of Italian conceptual artist Maurizio Cattelan, had been installed only two days earlier at Blenheim Palace, west of London, after previously being shown at the Guggenheim Museum in New York. Police said the toilet was taken early Saturday by thieves who used at least two vehicles. …