Climate talks deadlocked as clashes erupt outside
Published 12/16/2009, AP Special Correspondent
UPDATED 1:37 P.M.
Much of the uncertainty in the Copenhagen talks stems from how slowly the first U.S. legislation to cap carbon dioxide emissions is moving through Congress. Passage of a U.S. climate change bill is expected no earlier than next spring — and many other nations are unwilling to make their final commitments until the U.S. does.