POP “WAS THE BIRTH OF THE NOW”: So claim curators Darsie Alexander and Bartholomew Ryan in the catalogue for their sprawling and ambitious show “International Pop” at the Walker Art Center, thus positioning the movement as a progenitor of our so-called post-Internet condition. Indeed, the curators write, Pop artists “were modeling behaviors that then seemed radical, but now are second nature: the image world as an extension of the self, the individual curating information via status feed, the rise of social media that is one of the most profound changes of our time.”

What is striking about this