Can the EU make Poland recognise gay marriage?

If the winter blues have got you down, these two things might lift your spirit: (1) the Christmas section at your local Lidl, and (2) the news that a same-sex marriage in one EU country must be recognised in another. But how this ruling is going to be implemented across the bloc—especially in the countries where there are no civil partnership rights—remains to be seen. This week, we unpack the manifold questions raised by this big-step-in-the-right-direction decision. We also examine the Louvre’s controversial new ticketing policy. Is giving cheaper tickets to Europeans a form of discrimination?