What's not so common is for the news media to get so excited about an impending headline that they decide to share both writeups in advance with the reading public. Consider, for example, this screenshot I took of boston.com's front page, mere minutes before the Zacarias Moussaoui sentence was read today. It's obviously the work of an overeager copy monkey:
Click to enlarge, eh -- spatch.net don't seem to be resolving today
I guess that's what you call showing both sides of the issue.