The need for secrecy was so great that CIA Director John Brennan hand-delivered information from a critical informant close to Russian President Vladimir Putin in an envelope to President Barack Obama in August 2016. Now, one day after President Trump gave Attorney General William Barr "full and complete authority to declassify information" related to the origins of the federal investigation into possible ties between the Trump campaign and Russia, the New York Times reports this source is in jeopardy. The declassification order, celebrated by GOP allies and derided by Democrats as a "plot to dirty up the intelligence community," could...