Kim's army visits prompt speculation Sat Aug 4, 10:39 PM ET North Korean leader Kim Jong Il has visited military bases for four straight days, an unusual frequency that has prompted speculation he may be about to make a decision regarding the country's disputed nuclear program. The visits come ahead of a joint U.S.-South Korean military exercise. On Friday, North Korea denounced the upcoming Aug. 20-21 drill as an "unacceptable provocation." The North's official Korean Central News Agency reported Saturday that Kim inspected an army unit and expressed satisfaction with its combat readiness. It was the fourth straight day that...