Associated Press: Brazil, the world’s leading ethanol exporter, will help Kenya produce biodiesel and improve its agriculture sector, the two nations’ leaders said Tuesday. Kenya is an investment hub that Brazilian companies and entrepreneurs can use to seek business opportunities in the wider East African Community, a five-nation economic bloc of more than 125 million people, Brazil’s President Luis Inacio Lula da Silva said at a news conference with Kenyan President Mwai Kibaki. Silva’s visit …