Photoshop and Photography: When is it real?

From David Pogue's column, Photoshop and Photography: When is it real?

In the March issue of Popular Photography magazine, the editor's note, by Miriam Leuchter, is called "What Is a Photograph?" ...

... But meanwhile, we live in an age where Photoshop jobs are commonplace, reality TV shows dominate the airwaves, and news bites are taken out of context and manipulated. Maybe, these days, the question isn’t “What is a photograph?”; it’s “What is reality?”