England Discovers Billions in Treasure in its Dirt

Potash is proving to be an increasingly valuable commodity. A large deposit has been found in the North of England as Bloomberg Television's Tom Gibson reports.

'You Say to Brick': Charlie Rose
28:09 - On "Charlie Rose," a look at the work of Louis Kahn, one of the 20th century’s greatest architects. His work is known for combining Modernism with the power of ancient monuments. We are joined by Wendy Lesser. Her new book "You Say to Brick" tells the story of Kahn’s life and work. (Source: Bloomberg)
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