From Our Own Correspondent

Kate Adie introduces stories from Belarus, Senegal, the US-Mexico border, Cambodia and Brazil.Political prisoners in Belarus attract less international attention than those in Russia - but there are far more of them, even in a smaller country. Many are women, held in a kind of house arrest known as 'chemical detention', under stringent rules which control their every move. Monica Whitlock gathered testimony from some living under these conditions.After months of political turbulence, Senegal eventually did hold its planned presidential election - and the popular vote brought Africa's youngest leader, 44-year-old Bassirou Diomaye Faye, to power. James Copnall reported on the final days of the campaign and reflects on how Senegalese democracy proved itself.Controlling migration to the United States will be one of the most contentious issues in this November's American presidential election. Amid talk of a crisis, and after record numbers of apprehensions of undocumented migrants by the US Border Patrol in Decem