As European migration rises again, what are the challenges ahead?

Migration to Europe is rising again. In September alone, more than 12,000 refugees arrived in Greece. This week on Studio Berlin: how is Europe tackling this challenge? And why can’t European countries seem to agree on a common approach to migration? Host Sumi Somaskanda talks with Emmanuelle Chaze, political correspondent at Deutsche Welle and NPR international correspondent Joanna Kakissis.