Gibbs also says Mr.Obama wants benchmarks for evaluating U.S.progress in Afghanistan, and will not commit to an open-ended conflict.

VOA: standard.2009.11.13

In a news conference late Tuesday, developing countries demanded rich countries commit to a 40-percent overall cut on emissions.

VOA: standard.2009.11.04

Mr.Obama as been pushing China and India to commit to reducing emmissions before the summit in Copenhagen.

VOA: standard.2009.11.26

India points to the aspirations of millions of poor people like Rakesh in sprawling urban slums and villages when it refuses to commit to any caps on its carbon emissions.

VOA: standard.2009.11.27

The New South Wales Supreme Court heard that the group planned to use bombs or firearms to commit "extreme violence" to punish Australia for its involvement in the wars in Iraq and Afghanistan.

VOA: standard.2009.10.17

Clinton acknowledged that the lingering election dispute has been one of the factors delaying a decision by President Barack Obama in his administration's policy review over whether to commit more U.S.troops to Afghanistan.

VOA: standard.2009.10.19