By Stephen Valdivia
July 10, 2015

On Fortune Live, special guest host Andrew Nusca welcomes MasterCard's senior vice president of U.S. product delivery Carolyn Balfany, Kohl's executive vice president of product development Arthur Lewis and Fortune's Stephen Gandel, Geoff Colvin, Erin Griffith, Dan Roberts, Robert Hackett and Phil Wahba.

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