Remember back before there was ever talk of Generation Y or the Millennials? Remember that time before anyone had really heard of email let alone used it? Remember when Generation X was the problem generation? We’ll look back this hour with Details editor-at-large Jeff Gordinier. His new book claims that Gen X has actually (and rather quietly) changed the world. It’s called “X Saves the World: How Generation X Got the Shaft but Can Still Keep Everything from Sucking” (Viking, 2008).