Letters: How to save red squirrels
From our UK edition
Fire-fighting Sir: Your editorial raised the persistent problem of predicting major international disasters in a timely enough way to prepare (‘Eclipses and revolutions’, 29 April). The US academic Joseph Nye said that a good model for wars is to identify three types of cause: deep (the logs for a fire), intermediate (the kindling) and immediate (the sparks). The dilemma is that there are often so many crises on the brink of igniting that preparing early for dozens stretches many governments. Struan Macdonald Hayes, Kent Brain drain from Africa Sir: The majority of Sudanese doctors working in Britain will have been trained in Sudan at local government expense (Eclipses and revolutions’, 29 April).