On 19 April, one year after the tragic single drowning of hundreds of migrants in the Mediterranean Sea, we look back on how the migration crisis unfolded through 2015, and how the EU developed its comprehensive response. This is the "inside story", as told by key witnesses from the Council of the EU and the European Commission. "This is a very deep crisis. It is about real interests but also about identity and important political principles", Jeppe Tranholm-Mikkelsen, Secretary-General of the C