Is Tipping at Restaurants Becoming a Thing of the Past?

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The practice of tipping after dining out began in medieval Europe, but it became a peculiarly American institution. Now there's a movement to ban it as unfair and discriminatory. Will customers give it up in exchange for service charges -- or higher prices? 

Also on this Thanksgiving Day, a conversation with philosopher Peter Singer about charitable giving and ethics. We hear why he encouraged one of his best students to work on Wall Street and get as rich as he could.

Photo: prettydaisies