Eight writers, with special reasons to care, journey along some of the most critical frontiers in the world.
3: Night and Day. The 2,000-mile line that separates Mexico from the United States is a frontier between the Third World and the First.
Richard Rodriguez , Californian-born son of Mexican parents, watches as would-be immigrants hide in the shadows for a chance to cross illegally. But they'll find a deeper frontier to cross as well, he says: between a culture of night and leisure and a culture of daylight and work.
Producer Gerry Troyna
Executive producer George Carey
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