Authorities say they have retrieved artwork owned, and concealed, by Calisto Tanzi, the Parmalat founder who is accused of fraud in the Italian company's 14 billion-euro collapse in 2003. The 19 paintings and drawings, including works by Picasso, Monet, Cezanne, and Van Gogh, are worth more than 100m euros ($149 million; £90m), and were hidden in houses belonging to friends. Phone taps revealed a Russian billionaire was about to buy Monet's Cliff Walk at Pourville for 10m euros ($14.8m)...