Bill Gates answers questions after giving a lecture on international aid to parliamentarians and guests in the Robing Room of the House of Lords in the Palace of Westminster, London November 10, 2014. The lecture, called ?The Case for Aid: A Conversation with Bill Gates? was given on behalf of the Bill & Melinda Gates Foundation and in association with "Malaria No More UK", and spoke of the importance of aid in the fight against diseases including malaria and Ebola. Seated on left is Lord Speaker Baroness D'Souza. REUTERS/Tim Ireland/Pool (BRITAIN - Tags: BUSINESS HEALTH SOCIETY)