In inaugural address, Obama calls on all Americans to a "new era of responsibility."
The 44th president delivers his inaugural address outside of the U.S. Capitol.
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.
Carter, Clinton and two Bushes welcome Obama to club over lunch at the White House.
Unreliable border between Afghanistan, Pakistan pose toughest challege for President Obama.
The next administration may lift a 14-year ban on embryonic stem cell research.
Barack Obama makes history by becoming America's first black president.
Sen. Obama promises "a new dawn of American leadership."