Global despatches. In this edition, Australia's tough immigration policy comes under the spotlight as a group of asylum seekers goes to court; why the mark which writer Ernest Hemingway left on Paris is now beginning to disappear; how the militants of Islamic State have affected Kurdish dreams of a state of their own; the tourists have returned to the beaches of Greece but, we learn, there's one correspondent who might not be so welcome in the country. And we hear from the reporter who's had second thoughts about wearing the headscarf, or hijab.