Global viewpoints. In this edition: Kevin Connolly visits the Baghdad book market and salutes the bravery of those who carry on with their daily lives amid a constant threat of violence; Jeremy Bowen considers the impact on the Middle East of the apparent coming together of the two rival Palestinian factions; Chris Terrill's on a perilous day out with the fishermen of Mauritania in west Africa; Katy Watson is in the Brazilian city of Sao Paulo where housing's a serious problem - this is a place with the world's largest slum population. And fish and rice they are used to, but Robin Lustig was in the Burma's Irrawaddy Delta when the locals, for the first time, were invited to sample German sausages and tomato ketchup.