Singer overcomes jitters to command 'My Country, 'Tis of Thee'
Singer powers through technical difficulty with earpiece
Singer honors Barack Obama's second term
No plans to make an album: 'We reject commercialism of any sort'
President Obama is sworn in for his second term
Cornell to perform at Commander-in-Chief's Ball, band to play Inaugural Ball
The current drought is a bad one, and it's not going away
Meet the drug warriors working to roll back hard-won advances in marijuana policy
As America wakes up to the dangers ahead, the president has a historic opportunity to take bold action on global warming
The president's moves to curb gun violence are a good start, but he avoided one key measure
'It is doubtless that such a technological terror in the hands of so primitive a world would be used to upset the peace and sanctity of the citizens of the Galactic Empire'
Two rival proposals aim to end Senate obstructionism this year
Segment aired on 'NOW With Alex Wagner'
Department of the Interior launches high-level review of what went wrong
Climate change is causing 'catastrophic' danger in much of the country