DALLAS--(BUSINESS WIRE)--AT&T Inc. (NYSE:T) today reported solid second-quarter results with strong adjusted EPS growth, expanding margins and growing free cash flow. “These results reaffirm our transformation strategy,” said Randall Stephenson, AT&T chairman and CEO. “We grew revenues, expanded margins and delivered double-digit adjusted EPS and cash flow growth. We added more than 2 million new wireless subscribers as the repositioning of our smartphone base nears completion. We also