Nearly every day for the past three months, Ahmed, a 27-year-old father from Afghanistan, has risen at 6am in Velika Kladuša, a small Bosnian border town. After a walk of 30 minutes, Ahmed reaches the border and crosses into the European Union through the forest. By 7 or 8am, he is standing on a main road a few kilometres inside Croatia, waiting to be found by the police. Before lunchtime, he has been caught, beaten, and pushed back into Bosnia. “All I want is to see my son,” he says. Ahmed, who did not wish to give his surname for fear of reprisals, estimates he has repeated this Sisyph...