From the Washington Post: Le Sandwich Takes a Bite Out of French Tradition.
The shifting lunchtime habits, which are more pronounced in large cities such as Paris, are part of a social tug of war in France between the imperatives of a modern industrial economy and a long-cherished tradition of fine food produced and prepared by artisans devoted to their crafts. The increasingly common sight of a young French office worker walking down the street munching on a sandwich suggests tradition is more and more on the losing side as the years go by.