June 19 (Asia Today) -- China's Foreign Ministry welcomed South Korea's reaffirmation of its longstanding position on the one-China principle but made no mention of North Korea's nuclear program. The ministry published a statement in a question-and-answer format on its website at about 11:55 p.m. Thursday, according to diplomatic sources in Beijing. The statement cited Nam Jin, director-general for Northeast and Central Asian affairs at South Korea's Foreign Ministry, as saying Seoul's position