Earlier this week, ABC News launched a new iPad application that adds a twist to the way most apps present the news: a third dimension. Fire up the app and you’re immediately faced with a nifty-looking globe that’s covered in headlines and photographs depicting the day’s top stories; tap one and you’ll be linked to the relevant video clip or news article. It’s quite snazzy, at least from a looks perspective (more on that later), and it’s quickly risen to beco