Latest update: 21/05/2012
'Abdelbaset al-Megrahi takes his secrets to the grave with him'
In today's international pick of the press, we look at what Obama has learned from Afghanistan - and will we ever really know who brought down Pan Am flight 103?
By Elena CASAS
The Guardian looks at the death of the only man ever convicted of the Lockerbie bombing - saying there remain enormous doubts over his conviction - that may now never be resolved.