D7 Video: AT&T CEO Randall Stephenson Onstage With Walt Mossberg

Walt Mossberg jumped into his discussion with Randall Stephenson by citing poll data showing that some folks might not be interested in buying an Apple (AAPL) iPhone simply because they want to avoid AT&T (T). Stephenson notes that AT&T is improving network quality and reducing churn, and in an informal poll of the audience, a surprising number of of D7 conference-goers indicate they’re satisfied with AT&T service.