UN deadlocked, detached from climate emergency

A UN climate summit in Madrid risked collapsing Saturday after marathon negotiations between countries left them more divided than ever over on how to fight global warming and pay for its ravages.Diplomats from rich nations, emerging giants and the world's poorest countries -- each for their own reasons -- found fault in a draft agreement put forward by host Chile in a botched attempt to strike common ground.Faced with five-alarm warnings from science, deadly extreme weather made worse by climat