Associated Press: The U.N. chief tapped the prime ministers of Britain and Ethiopia on Friday to lead the hunt for hundreds of billions of dollars that nations pledged to contribute this decade for dealing with climate change. The announcement is an attempt to fulfill a key part of the nonbinding Copenhagen Accord aimed at directing money from rich nations to poorer nations facing rising sea levels, melting glaciers and other effects of climate change. Secretary-General Ban Ki-moon on Friday …