Unfounded worries about Y2K mingled with the excitement of a new millennium as we entered this decade. We didn’t know what to expect of course and there’s no way anyone could have truly predicted the events of the early 2000s. It’s definitely been a roller coaster. As we close out the decade and await the imminent arrival of 2010, here are the ten stories that have shaken us up and changed the way we see this country, the world and ourselves.