AT&T CEO Randall Stephenson criticized the White House for failing to follow the proper procedure when it revoked CNN Chief White House Correspondent Jim Acosta’s press pass. Prompted for a reaction to the administration’s decision last week to pull Acosta’s credentials following a combative exchange with President Donald Trump, Stephenson mounted a defense of Acosta. “If the White House wants to pull someone’s press credentials, there is a process,” Stephenson said in an…