WASHINGTON – Amid the cascading disclosures about National Security Agency surveillance programs, the top lawyer in the U.S. intelligence community opened his remarks at a rare public appearance last week with a lament about how much of the information being spilled was wrong. “A lie can get halfway around the world before the truth gets its boots on,” said Robert Litt, citing a line often attributed to Mark Twain. “Unfortunately, there’s been a lot of misinformation that’s come out about these programs.” The remark by Litt, general counsel for the Office of the Director of National Intelligence, was aimed at...