'Crisis' and 'Hope,' two words which have continually cropped up in the Greek election campaign. Chris Morris has been out with campaigners from the leftist Syriza party. Kamal Ahmed talks of chasing the stories in the bubble that is the World Economic Forum in Davos. Devastating floods in Malawi, Rosie Blunt's been meeting families who've lost everything. Kevin Connolly's in Auschwitz where they are getting ready to mark the 70th anniversary of the liberation of the death camp. And the birds are doing well. So are the whales and the seals too. But Juliet Rix, far away in the South Atlantic, finds these are difficult, indeed fatal, times for the rats of South Georgia.