Wall Street Journal: Financier George Soros proposed that rich nations tap into special currency reserves issued by the International Monetary Fund to finance developing nations’ efforts to combat climate change. Making the proposal, Mr. Soros waded into the key dispute between rich and poor nations at the United Nations climate summit here. Mr. Soros suggested that rich nations finance climate subsidies for developing nations by tapping into some of the $283 billion in special drawing rights that …