SOURCES: TOP CIA OFFICIALS SAY U.S. IS MAKING PROGRESS IN WMD SEARCH... SOME HAVE SUGGESTED THAT WMD HAVE BEEN FOUND AND WILL BE REVEALED ONCE IT IS SECURE TO DO SO WITHOUT COMPROMISING INTEL CAPABILITIES... FROM THE WASH TIMES: The U.S. military tomorrow will begin a major excavation in search of banned weapons components an Iraqi informant said were buried by Saddam Hussein's regime at a Muslim clerics's house in Najaf in December, three months before the war began. Pentagon officials told The Washington Times that David Kay, who is leading the CIA's search for Iraq's weapons of mass destruction,...