SUMMARY BOX : G-8 leaders coming to Camp David

WHO: The Group of Eight is made up of the leaders of the United States, Japan, Britain, Germany, France, Italy, Canada and Russia. The Kremlin won't be represented at the Camp David meetings Friday and Saturday by President Vladimir Putin, who is sending his predecessor, Dmitry Medvedev, the current prime minister. President Barack Obama has invited four African leaders _ Presidents Yayi Boni of Benin, John Atta Mills of Ghana and Jakaya Kikwete of Tanzania, and Prime Minister Meles Zenawi of Ethiopia _ to join food security talks. France and Britain have suggested adding the developing economies of Brazil, China, India, Mexico, and South Africa.