Global despatches: in this edition, why hunger is again taking hold in South Sudan - even after a plentiful harvest; Australia gets tough with asylum seekers -- and the problems pile up for those seeking a new life down under; how America's attachment to its First Amendment gives hate groups the freedom to disseminate their beliefs; we visit a cemetery in the Czech Republic: a place of awful history, but also one where you learn about a community determined to create a successful future for itself; and fine dining for only a few pounds? we meet a man in Chile dedicated to reviving his country's culinary heritage.