Art News from Around the World:
• The Big Challenges Awaiting New Directors For Tate And V&A This Year
• Johannesburg Art Gallery, Africa's Largest, Forced To Close Due To Leaky Roof
• A 'Rescue Mission' To See If Anything Can Be Rescued After ISIS's Destruction Of Nimrud
• Study: We More Readily Believe Things Getting Worse Than Things Getting Better
• How They Made That Freeway Dance Scene In La La Land