AT&T names WarnerMedia’s John Stankey as next in line to the CEO

AT&T Inc. named media honcho John Stankey to the new position of president and chief operating officer, establishing a clear No. 2 to Chief Executive Officer Randall Stephenson.The company also said that technology chief Jeff McElfresh, 48, will become CEO of AT&T Communications, filling a post vacated last week when John Donovan abruptly stepped down.With the $85 billion purchase of Time Warner, AT&T effectively created two No. 2 executives under Stephenson: Stankey led the media bu