Mark Rothko's Grey, Orange on Maroon, No. 8, damaged at museum in the Netherlands
                                
                                
                                    (Newser) -
                                    During what a museum spokesperson called an "unguarded moment," a child in the Netherlands damaged a painting worth nearly $57 million. Mark Rothko's Grey, Orange on Maroon, No. 8, was on display at Museum Boijmans Van Beuningen in Rotterdam when the incident occurred, and it's not...