North Korean leader Kim Jong Il hasn't appeared in public since his country test-fired missiles that drew international condemnation, leading to speculation of a possible sense of crisis inside the reclusive nation. Kim attended a Russian art performance and visited a tire factory July 4, a day before the missile launches, and he hasn't appeared publicly since, according to South Korea's spy agency. The North's propaganda machine hasn't reported on Kim's activities since the missile launches, but last week the country's official news agency said Kim sent a consolation message to ailing Cuban leader Fidel Castro. Kim usually visits military...