Detailed text transcripts for TV channel - CNN - 20161112:16:25:00
Already covered with some form of border wall, or steel fencing. but donald trump wants more. >> on day one, we will begin working on an impenetrable, physical, tall, powerful, beautiful southern border wall. >> well, of course, it can be done. >> reporter: professor michael deer is an expert in city and regional planning and the author of the book "why walls don't work." >> a large concrete structure, which should be very intensive in terms of resources and money. >> in fact, cnn has surveyed a number of civil engineers, architects and academics about what may be most feasible. the wall would...
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