Anderson Cooper profiles the artist Mark Bradford, who tackles complex social and political issues through abstract works. Lesley Stahl travels to Italy to meet Chef Massimo Bottura, whose kitchen creations are works of art -- a Pavarotti of Pasta if you will. In the northern highlands of Ethiopia stand 11 churches that the Ethiopian Orthodox Church says were built by angels. Scott Pelley takes us there on this week's "60 Minutes."

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