With a dramatic series of announcements Thursday, world leaders declared what experts just two years ago considered virtually impossible: They believe the number of deaths caused by malaria can fall from more than 1 million annually to zero by 2015...Private donors, buoyed by the success of prevention efforts...pledged...an unprecedented sum -- more than $3 billion -- for malaria programs..."How is this happening?" [U.N. Secretary General Ban Ki-moon] asked. "With a pathbreaking public-private coalition..." The new funding commitments include: $1.6 billion from the Global Fund to Fight AIDS, Tuberculosis and Malaria; $1.1 billion from the World Bank; $168.7 million from the Bill and Melinda Gates Foundation; $2 million from Ted Turner's United Nations Foundation; and $100 million from a coalition of corporations, including $28 million from...Marathon Oil to extend its malaria-prevention program across Equatorial Guinea.