The Pentagon's chief weapons inspector David Kay has uncovered what is being described as a "mother lode" of documents in Iraq detailing Saddam Hussein's weapons of mass destruction program. I've already seen enough to convince me," said Kay, a former U.N. weapons inspector, in an interview aired Tuesday with "NBC Nightly News" anchorman Tom Brokaw. "We're finding progress reports. [Iraqi scientists] also got financial rewards from Saddam Hussein by breakthroughs, indicating breakthroughs. They actually took--went to Saddam and said 'We have made this progress.'" the top WMD prober explained. "There are records, there are audiotapes of those interviews which give...