Agence France-Presse: Ministerial-level talks on the world’s worsening problems of water scarcity, pollution and sanitation began here Friday amid discord over whether water should be considered a fundamental “right” or a “need.” More than 100 ministers or their stand-ins from around the globe are meeting at the World Water Forum until Sunday, which is World Water Day. They are due to issue a non-binding statement, acknowledging the target of providing clean water and sewerage for the world’s 6.5 …