WASHINGTON - Congressional Republicans and Democrats demanded answers from the Bush administration Thursday about a government spy agency secretly collecting records of ordinary Americans' phone calls to build a database of every call made within the country. Facing intense criticism from Congress, President Bush did not confirm the work of the National Security Agency but sought to assure Americans that their privacy is being "fiercely protected." "We're not mining or trolling through the personal lives of millions of innocent Americans," Bush said before leaving for a commencement address in Mississippi. The disclosure, reported in USA Today, could complicate Bush's bid...