Reuters: A deal placing a strict emissions regime on rich nations is likely in Copenhagen despite pressures to dilute the climate fight in times of a global financial slowdown, the U.N. climate panel chief said. R.K. Pachauri said his optimism that rich nations would agree to an emissions cut was rooted in what he was hearing from global leaders and a genuine willingness to do something fast. But his bullishness is in sharp contrast to a gloomy outlook forecast by some experts who say …