welcome back to "the lead." i'm john berman in for jake tapper. in our pop lead today, the wait is over. "go set a watchman," the recently discovered harper lee manuscript is available today as an actual book. 55 years after the publication of "to kill a mockingbird," the new book raising questions about the classic characters found in "mockingbird," particularly atticus finch. "go set a watchman" has renewed interest and scrutiny in the famously reclusive author as well. cnn's correspondent ed lavandera in lee's hometown monroeville, alabama. >> reporter: no one here ever expected to read another word that harper lee had written or expected to have a book like this in their hands. we learned today from a friend close to her that there might be some more writings still out there. the frenzy over harper lee's