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FILE - In this May 5, 2014 file photo, Microsoft co-founder and Berkshire Hathaway board member Bill Gates speaks during an interview with Liz Claman on the Fox Business Network in Omaha, Neb. Gates says he wants to end malaria in his lifetime and will raise his donations toward that goal by 30 percent, to more than $200 million per year. (AP Photo/Nati Harnik, File)