In inaugural address, Obama calls on all Americans to a "new era of responsibility."
Inaugurations Past and Present
Obama kicks off inauguration with speech at Lincoln Memorial: "Anything is possible in America."
A look at picks, top contenders for President Obama's administration.
Family settles in to hotel so Malia, Sasha will be ready for 1st day of school.
Michelle and Barack Obama on their relationship and family.
"I'll be the guy honchoing that policy," Biden tells Stephanopoulos.
Six-term Delaware senator added experience and emotion to Obama ticket.
Carter, Clinton and two Bushes welcome Obama to club over lunch at the White House.
Full Story
Unreliable border between Afghanistan, Pakistan pose toughest challege for President Obama.
Through economic crises, not all past leaders have opted for excess.
Barack Obama makes history by becoming America's first black president.
