Insight, colour, analysis: in this edition, the once impregnable Rajapaksa camp is suddenly looking vulnerable as the Sri Lankan election approaches, Charles Haviland; Russians are enjoying their extended Christmas break but for their president, Vladimir Putin, difficult times may lie ahead, Sarah Rainsford; the Ethiopian government faces accusations over its plans to create huge new agricultural complexes, Matthew Newsome set off towards the southern lowlands to investigate and a journey of a lifetime in the US: Jonathan Izard points his car towards the sunset and ponders the meaning of life itself.