Emmanuel Macron and En Marche! – left, right or simply on the move?

Emmanuel Macron, the leader of France’s new En Marche! movement, announced he would run for the French presidency this week. Who is this self-proclaimed ‘outsider’, and is he really as distant from the political establishment as he claims to be? Susan Milner looks at the challenges facing Macron as he joins a crowded field of presidential candidates.