Definition: In this task, you are given a news article. Your task is to classify the article to one out of the four topics 'World', 'Sports', 'Business', 'Sci/Tech' if the article's main topic is relevant to the world, sports, business, and science/technology, correspondingly. If you are not sure about the topic, choose the closest option. Note that URLs in the text have been replaced with [Link].
Input: Bush Defends Iraq War in Second Debate ST. LOUIS - In a debate rematch Friday, President Bush defended his invasion of Iraq and said "I wasn't happy when we found there weren't weapons" that prompted his administration to go to war against Saddam Hussein...

World