Alaskan anonymice. Joe McGinniss got knocked by reviewers—me included—for relying so heavily on anonymous sources for his new book, The Rogue: Searching for the Real Sarah Palin. Today he strikes back at his critics in the opinion pages of USA Today, citing Bob Woodward, New York Times Executive Editor Jill Abramson, and Huffington Post media reporter Michael Calderone on why journalists must get anonymice to squeak about the powerful if they’re going to get the story.