Question: Which former Chairman of the National Republican Senatorial Committee derailed the Email Privacy Act after it was passed in the 114th Congress?
Related documents: [0]  [DOC] John Cornyn III (born February 2, 1952) is an American politician, lawyer and the senior United States Senator from Texas, serving since 2002. He is a member of the Republican Party and the current Senate Majority Whip for the 115th Congress. Cornyn previously served as Chairman of the National Republican Senatorial Committee from 2007 to 2011. [END] 
[1]  [DOC] The Email Privacy Act is a bill introduced in the United States Congress. The bipartisan proposed federal law is sponsored by Representative Kevin Yoder, a Republican from Kansas, and Representative Jared Polis, a Democrat of Colorado. The law is designed to update and reform existing online communications law, specifically the Electronic Communications Privacy Act (ECPA) of 1986. In the 113th Congress (2013-14), the bill never made it out of subcommittee. 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. In the 115th Congress (2017-18), it was passed by the House on a voice vote. [END] 
Answer: 
John Cornyn
John Cornyn