Bloomberg: Cocoa crops in Indonesia and Ecuador may be hurt by an El Nino weather pattern predicted to begin as soon as coming weeks, BNP Paribas Fortis said. El Nino typically has lowered cocoa production "10 percent below trend," Fortis said in a daily report yesterday from London, citing company research over 50 years. El Nino weather that usually brings below-average rainfall in the second half probably will occur after more signs of the phenomenon emerged, Australia’s Bureau of Meteorology …