NYT: Photoshop and Photography: When Is It Real?
David Pogue asks an important (but not new) question:

I have to admit that when I saw the winners revealed in a previous issue, I was a bit taken aback, too. I mean, composition and timing are two key elements of a photographer’s skill, right? If you don’t have to worry about composition and timing, because you can always combine several photos or move things around later in Photoshop, then, well — what is a photograph?