https://www.cnbc.com/2018/05/30/att-ceo-randall-stephenson.html > AT&T CEO Randall Stephenson said Sprint and T-Mobile will have "a tough hill to climb" to get merger approval from U.S. regulators. > "It's a classic horizontal merger where they are taking a competitor out of the marketplace," Stephenson said. "Power to them if they get it done."