The gulf between developed and developing countries is simply too large and Obama already has enough on his plate. Even Obama running out of time was inevitable many months ago - so many wasted column inches.
A pointless few days is ahead of us.
Copenhagen climate talks: No deal, we're out of time, Obama warns [Guardian]
Obama acknowledged today that time had run out to secure a legally binding climate deal at the Copenhagen summit in December and threw his support behind plans to delay a formal pact until next year at the earliest.
During a hastily convened meeting in Singapore, the US president supported a Danish plan to salvage something from next month's meeting by aiming to make it a first-stage series of commitments rather than an all-encompassing protocol.
Postponing many contentious decisions on emissions targets, financing and technology transfer until the second-stage, leaders will instead try to reach a political agreement in Copenhagen that sends a strong message of intent.