Millennium development goals summit and UN general assembly

Israel's president, Shimon Peres, speaks to the media on the first day of the millennium development coals summit at the United Nations in New York Photograph: Spencer Platt/Getty Images The UN secretary general, Ban Ki-moon, attends the opening of the summit Photograph: Spencer Platt/Getty Images The French president, Nicolas Sarkozy, speaks during the millennium development goals summit Photograph: Shannon Stapleton/Reuters Zimbabwe's president, Robert Mugabe, addresses the audience at the UN Photograph: Emmanuel Dunand/AFP/Getty Images The Liberian president, Ellen Johnson Sirleaf, second right, is escorted in to address the summit Photograph: Chris Hondros/Getty Images Bolivia's president, Evo Morales, addresses those attending in New York Photograph: Eric Thayer/Reuters A television journalist reports from outside the media centre at the UN headquarters in New York Photograph: Mike Segar/Reuters The Greek prime minister, George Papandreou, applauds a speech at the summit Photograph: Emmanuel Dunand/AFP/Getty Images Members of the Swaziland delegation listen to an address Photograph: Eric Thayer/Reuters Mahmoud Ahmadinejad, the Iranian president, addresses the summit Photograph: Emmanuel Dunand/AFP/Getty Images Members of the Middle East quartet join Ban Ki-moon (centre). From left: Tony Blair; US secretary of state, Hillary Clinton; Russia's foreign minister, Sergei Lavrov; and the EU high representative for foreign affairs and security policy, Catherine Ashton Photograph: Eric Thayer/Reuters Paul Kagame, Rwanda's president, speaks during the summit Photograph: Andrew Gombert/EPA The deputy prime minister, Nick Clegg, shakes hands with Ban Ki-moon Photograph: Eric Thayer/Reuters Barack Obama shakes hands with UN secretary general Ban Ki-moon before addressing the millennium development goals summit at the United Nations headquarters in New York City Photograph: Getty Images Barack Obama walks out from behind a curtain alongside a secret service agent upon his arrival at a Democratic party fundraiser in New York Photograph: Jason Reed/Reuters Barack Obama delivers his speech during the summit on the millennium development goals at the United Nations in New York Photograph: Toshifumi Kitamura/AFP/Getty Images Barack Obama delivers his speech during the summit on the millennium development goals at the United Nations in New York Photograph: Toshifumi Kitamura/AFP/Getty Images Deputy prime minister Nick Clegg walks to the podium to address the summit on the millennium development goals at the United Nations headquarters in New York Photograph: Richard Drew/AP The US secretary of state, Hillary Rodham Clinton (right), and the US ambassador to the United Nations, Susan Rice (left), listen to President Barack Obama's address to world leaders during the UN general assembly on 23 September 2010 in New York Photograph: Michael Nagle/Getty Images Michelle Obama listens as her husband President Barack Obama speaks at the 65th session of the United Nations general assembly Photograph: Shannon Stapleton/Reuters President Barack Obama addresses the United Nations general assembly in New York Photograph: Henny Ray Abrams/AP US president Barack Obama (right) speaks to the press alongside Chinese premier Wen Jiabao at the United Nations in New York Photograph: Jason Reed/Reuters