SANTIAGO, Chile (Reuters) - Hecklers angry at the government shouted over the sound of choirs at the tense funeral on Tuesday of Augusto Pinochet, the former Chilean dictator whose repressive rule from 1973 to 1990 made him infamous around the world for human rights abuses.	MOSCOW (Reuters) - International police agency Interpol is helping coordinate the investigation into the poisoning of Russian former spy Alexander Litvinenko that now involves forces in Germany, Russia and Britain.	BEIRUT (Reuters) - The head of the Arab League arrived in Beirut on Tuesday facing an uphill struggle to mediate an end to a political standoff between Lebanon's government and the Hezbollah-led opposition.
Several schools have sharply increased tuition to match rivals, while also providing more financial assistance.	New York City has failed to collect on millions of dollars in water bills because of records riddled with errors and outdated information.	S??o Paulo, Brazil, overwhelmed by what the authorities call visual pollution, plans to press the ?“delete all?” button on outdoor advertising.