Mexico's World Cup is a stage for amazing soccer — and social protest

The World Cup is becoming a stage for Mexico City's unresolved social issues. Teachers, mothers searching for disappeared children, anti-gentrification groups, sex workers - just about everything. These neighborhood activists may not all be protesting the same thing - but they are using the World Cup spotlight to say: "You're preparing the city for the world, but what about us?" The World's Tibisay Zea reports.