While the war in Sri Lanka has ended, the underlying causes of the civil war have not been addressed, writes Peter Westmore.A civil war of merciless atrocity, in which tens of thousands of Tamils have been killed recently by the Sri Lankan army, came to an end last month when army troops finally occupied the territory controlled by the Tamil Tigers in north-east Sri Lanka.While the war has ended, the underlying causes of the civil war have not been addressed, and, arguably, have been exacer…