“Kaavya Viswanathan, the Harvard sophomore accused of plagiarizing parts of her recently published chick-lit novel, acknowledged yesterday that she had borrowed language from another writer’s books, but called the copying ‘unintentional and unconscious.’… On Sunday, The Harvard Crimson reported that Ms. Viswanathan, who received $500,000 as part of a deal for [two books,] had seemingly plagiarized language from two novels by Megan McCafferty, an author of popular young-adult books.”