captioning sponsored by macneil/lehrer productions lehrer: good evening, i m jim lehrer. the global climate talks ended with what u.s. officials called a meaningful and historic agreement. brown: and i m jeffrey brown. on the newshour tonight, we ll have full analysis of what world leaders did and did not agree to. what we have achieved in copenhagen will not be the end, but rather the beginning. the beginning of a new era of international action. lehrer: and then judy woodruff leads a discussion about the climate deal. brown: an update on dna testing, as an innocent man who s spent the longest time behind bars is set free. lehrer: paul solman has a conversation about the connection between human health and biodiversity. the only anywhere in the world that raise their young are now extinct and the compounds that these make to keep themselves that information is gone forever. brown: and the weekly analysis of mark shields and david brooks. lehrer: tha