Presidential contender Barack Obama on Tuesday called for a $18 billion education plan that he said would fix mistakes his chief Democratic rivals made when they approved President Bush's "No Child Left Behind" effort.

Hillary Rodham Clinton ridiculed Democratic presidential rival Barack Obama for his contention that living in a foreign country as a child helped give him a better understanding of the foreign policy challenges facing the United States.

When the CEO of Google turned the microphone over to his employees after Barack Obama discussed his tech agenda, one worker who said he had voted for several losing Democratic presidential candidates got right to the point.

Democrat Barack Obama said Sunday that if elected he will push to increase the amount of income that is taxed to provide monthly Social Security benefits.

National Journal 's Linda Douglass sat down with Sen. Barack Obama. This is a transcript of their conversation.

Democrat Barack Obama portrayed himself as an impatient problem-solver Tuesday as he launched a five-day campaign swing through vote-rich areas of Iowa.

After spending most of Saturday criticizing Hillary and Bill Clinton, Barack Obama took the stage with two impersonators — Amy Poehler and Darrell Hammond — on “Saturday Night Live.”

Democratic presidential hopeful Barack Obama told voters Saturday that in the wake of President Bush’s “catastrophic failure of leadership” the nation needs a candid leader like himself, not rival Hillary Rodham Clinton’s calculated politics.

Democrat Barack Obama introduced a Senate resolution late Thursday that says President Bush does not have authority to use military force against Iran, the latest move in a debate with presidential rival Hillary Rodham Clinton about how to respond to that country's nuclear ambitions.

On Friday's 'Morning Joe,' the presidential hopeful talked about his Iran policy proposal, dancing on 'Ellen,' and not going after Clinton during last Tuesday's debate.