2020 in Europe: Brexit, climate targets, Balkans enlargement

It's set to be an historic year for the European Union. The bloc will lose a member for the first time in its history when the United Kingdom leaves on January 31. But there's plenty else happening in 2020, from climate goals to potential new members, plus foreign policy challenges that the EU may or may not be best equipped to tackle. We ask our panel of MEPs about the EU's priorities for 2020.