France: will Marine Le Pen's far-right perform as well in the legislative as in the EU elections?

Marine Le Pen's far-right National Rally party (RN) is leading in opinion polls ahead of the ballot called by Macron for June 30 and July 7, albeit unlikely to win an absolute majority. How well should they be expected to perform? For more information, Jennie Shin interviews political analyst Jean-Christophe Gallien.