reporter: laurence david-moalic dismisses such arguments as pure propaganda. e will be running for office herself as an "en marche" candidate in the parliamentary elections in june. ms. david-moalic: i want to keep on working for macron's movement, because his policies make sense, they are pragmatic and coherent. but we have a mountain to climb, and perhaps you need a touch of madness to make it. reporter: she sees france at a crossroads, and her priority is for the country to stay on its cosmopolitan and pro-eu course. elizabeth: fatima is one of many mothers who have lost their sons in the conflict in ukraine. three years ago, her teenage son vadim was killed in one of the deadliest episodes, when dozens of people died in rioting and a fire in the ukrainian port city of odessa. it was the result of violent clashes between pro-russian activists and ukrainian nationalists. fatima knows that nothing can bring her son back, but not knowing what exactly happened makes her loss even more painful. reporter: the trade union building in the center of odessa is deserte