WASHINGTON - Barack Obama fired back at President Bush yesterday, accusing him of an "appalling attack" for suggesting that the Democratic presidential hopeful wanted to appease America's enemies. "Now, that's exactly the kind of appalling attack that's divided our country and that alienates us from the world," Obama said. "And that's why we need change in Washington. That's part of the reason why I'm running for president of the United States of America." Speaking before the Israeli Knesset earlier this week, Bush laced into those who believe that the United States should negotiate with leaders of terrorist states. Last summer,...