VOICED : Next European Commission president will need to win back public

Jose Manuel Barroso is stepping down, leaving a mixed legacy marked by criticism of his timid handling of the economic crisis, which fueled euro scepticism. The EU's crisis management involved new powers and austerity measures, leading to public mistrust. Barroso likened his role to an air traffic controller, aiming to prevent 'crashes' among EU states. Future Commission leaders aim to strengthen the EU and tackle unemployment, with the new President assuming duties in October.

What metaphor did Jose Manuel Barroso use to describe his role in the European Commission?

What is considered the main challenge for the new European Commission?