The content originally appeared on: CNN (CNN)Shorter work weeks aimed at boosting worker productivity and happiness are catching on in parts of the world like Iceland and the United Kingdom. But in crisis-hit Sri Lanka the concept is more about coping with crippling food and fuel shortages. Sri Lanka may have to buy more Russian oil: Prime Minister Ranil Wickremesinghe The South Asian country, struggling with the shortages amid its worst economic crisis in decades, announced on Tuesday that public […]