Arizona teachers plan more walk-ins as a Thursday strike looms.
Black Friday: 'Everybody's trying to get an edge'
This used to be the day retailers counted on to bring their annual sales into the black, which led to the designation Black Friday. But that has changed dramatically. KJZZ's Dennis Lambert was joined by Michael Denning, a marketing professor in the W.P. Carey School of Business at ASU, to discuss holiday marketing concepts.