Nancy Gibbs; Doug McMillon
Wednesday 12/10/2014
TIME's managing editor Nancy Gibbs explains why "The Ebola Fighters" were selected as the 2014 person of the year, over Vladimir Putin and the Ferguson protesters. A conversation with the C.E.O. of the world's largest retailer at a busy Washington D.C. Wal-Mart, in which he comments on the competition and challenges posed by the transformation to online retail.