The military ouster of Honduras's president, Manuel Zelaya, has led to a deep divide between Democrats and Republicans.
China is due to unveil a new proposal at the gathering Tuesday, but its plans to cut "carbon intensity" rather than limit emissions may not satisfy US lawmakers.
Lawmakers are pressing the Obama administration on whether the benchmarks it laid out Wednesday to measure progress in Afghanistan will require more troops.
Iran does have enough fuel to, in theory, make a nuclear bomb. But that's been public knowledge since February.
The US is considering harsh sanctions on Iran's oil industry if negotiations to curb Tehran's nuclear program fail.
In Interview, Iraqi foreign minister tells US not to disengage with Iraq politically – like it did in Afghanistan.
An Iranian company is the first to be penalized as the US uses stricter financial sanctions to curb Pyongyang's weapons program.
Twelve more countries are on the US watch list this year for failing to combat trafficking, as the recession makes workers vulnerable to exploitation.