Sen. John McCain (R-Ariz.) released a statement Friday slamming recent efforts to discredit the integrity of U.S. intelligence agencies. "The latest attacks on the FBI and Department of Justice serve no American interests — no party, no president's, only [Russian President Vladimir] Putin's," McCain wrote. McCain's statement came as Washington was consumed by the release of a controversial memo authored by House Intelligence Committee Chairman Devin Nunes (R-Calif.). The memo alleges improper FBI surveillance of President Trump's campaign in 2016. Its release was opposed by the FBI and the Justice Department, but the White House approved its publication earlier Friday....