Margrethe Vestager is one of the EU’s most powerful figures. The Executive Vice President of the European Commission is known for slapping US big tech giants with multi-billion euro fines, actions which earned her the sobriquet ‘the tax lady” from former US President Donald Trump. The Dane will soon bid farewell to Brussels after being in charge of competition and digital policies for almost ten years. For Euronews Witness reporter Maïa de La Baume spoke with her about her time in office and the big challenges facing the European Union today and the in the future. Among those will be achievin…