Historian Robert Beachy is the author of the new book "Gay Berlin: Birthplace of A Modern Identity," about the gay subculture that flourished in Berlin between World War I and the rise of the Nazis.
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.