The Associated Press KNOXVILLE, Tenn. Sept. 13 — Retired Army Gen. Wesley Clark, sensing growing support for a Democratic presidential bid, said Saturday he is days away from announcing a decision and launched into an attack on President Bush.In a half-hour speech to 1,000 cheering Democrats in heavily Republican East Tennessee, Clark said Bush has failed the country on health care, education and foreign policy. "The No. 1 responsibility of the commander in chief is what? The safety and security of the United States of America," Clark said, questioning the administration's efforts to avoid the Sept. 11 terrorist attacks."What...