ODNI recently refused to answer if U.S. spy agencies monitor lawmakers, saying any admission could reveal methods. The dramatic disclosure earlier this year that the Obama administration sought to unmask ex-National Security Adviser Mike Flynn's conversations intercepted overseas is reviving a long-unanswered question: Do U.S. spy agencies also monitor members of Congress? That question has lingered at least since May 2017, when Sen. Rand Paul (R-Ky.) demanded to know whether his conversations overseas while running for president in 2016 were umasked by the Obama administration. Now, the question has been renewed by the Project for Privacy and Surveillance Accountability (PPSA),...