WASHINGTON - The Bush administration is weighing responses to a possible North Korean missile test that include attempting to shoot it down in flight over the Pacific, defense officials told The Associated Press on Tuesday. Because North Korea has made it a practice not to announce its missile tests in advance, U.S. officials say they cannot be sure of the government's intentions. Under that circumstance, the Pentagon is considering the possibility that it might need to attempt an interception, two defense officials said. The officials agreed to discuss the matter only on condition of anonymity because of its political sensitivity....