Source: [To the Ends of the Earth: Scotland’s Global Diaspora, 1750-2010.  By T.M.Devine. Allen Lane; 397 pages; £25][Revue in The Economist, August 20th 2011] Two years ago more than 47,000 people from all over the world journeyed to Scotland to celebrate their Caledonian lineage in an event called “Homecoming”.  Many of them had only recently discovered [...]