Which former Chairman of the National Republican Senatorial Committee derailed the Email Privacy Act after it was passed in the 114th Congress?
Email Privacy Act:  In the 114th Congress (2015-16), the bill was unanimously passed by the House, but was derailed in the Senate following a series of weakening amendments offered by Republican Senator John Cornyn of Texas, the Senate Majority Whip. John Cornyn:  Cornyn previously served as Chairman of the National Republican Senatorial Committee from 2007 to 2011.
John Cornyn