Call me uninformed, but I thought we'd resolved this whole "What is nonfiction?" debate a long time ago. I thought we'd covered it with Lorenzo Carcaterra and Sleepers in 1995, and again with Stephen Glass and Harper's and The New Republic in 1998, and finally with Lauren Slater's pseudo-memoir Lying in 2000. Call me naïve, but I'm thinking this debate really should be, by now, the "non-issue" that Frey's defenders want it to be. Go ahead -- call...