SEOUL, South Korea - North Korea will respond to a pre-emptive U.S. military attack with an "annihilating strike and a nuclear war," the state-run media said Monday, heightening its antagonistic rhetoric. The Korean Central News Agency, citing an unidentified Rodong Sinmun newspaper "analyst," accused the United States of increasing military pressure on the isolated communist state. The North Korean threat of retaliation, which is often voiced by its state-controlled media, comes amid U.S. official reports that Pyongyang has shown signs of preparing for a test of a long-range missile. "The army and people of the DPRK are now in full...