Ireland prepares to say goodbye to the best and brightest of its youth – Gavin Hewitt’s been finding out how the economic crisis there has forced thousands to consider emigration; Mark Urban’s at the NATO summit in Lisbon and points out that while some of the delegates question the continuing role of the alliance others believe fervently it has a role to play in the 21st century; in Rome David Willey says the rising tide of scandal may finally engulf Italy’s embattled prime minister; Paul Moss goes on patrol with the peacekeepers who have the challenging task of trying to maintain order in the Democratic Republic of Congo; while deep in the Amazon jungle, Justin Rowlatt finds himself confronting the jungle snack he’ll never forget …