Not just Duchamp, not just Picabia: Florine Stettheimer, painter of parties and department stores, is a modernist master. And today’s artists know it

South Korea’s first female president is behind bars; Samsung’s chief might end up there too. For the directors of the country’s cult film scene, Seoul is a viper pit and gangsters are in charge

The new US president plans, among other outrages, to kill the National Endowment for the Arts. Who would miss it most? A visit to central Iowa

Rei Kawakubo’s marriage advice. Wearing Comme des Garçons to the altar may seem wise, but the Met’s new retrospective reminds us there’s a time and place for everything

A brash host of The Apprentice takes power — in São Paulo. But if you think the new mayor is the most tasteless citizen of Latin America’s largest city, you should meet his artist wife

Beijing offers its special administrative region a new museum; Hong Kong wonders if you can return a gift. The Palace Museum comes to Kowloon, with red strings attached

Glitter and geopolitics. The new cold war comes to the Eurovision Song Contest, where Russia and Ukraine face off over Crimean annexation and a good Soviet-style bop