In Paris on Wednesday, while major museums are closed due to strikes, French police raided auction house Hotel Druout. Twelve people, including an auctioneer, were detained after police found a stolen Courbet painting worth euro900,000 ($1.3 million) at a Hotel Druout employee's house. Courbet's "The Wave' has been missing since 2004. Also uncovered were several small artworks believed to have been stolen...