Barack Obama taking the oath of office

JOHN GLOVER ROBERTS JR.: Are you prepared to take the oath, Senator?

BARACK HUSSEIN OBAMA II: I am.

ROBERTS: I, Barack Hussein Obama...

OBAMA: I, Barack...

ROBERTS: ... do solemnly swear...

OBAMA: I, Barack Hussein Obama, do solemnly swear...

ROBERTS: ... that I will execute the office of president to the United States faithfully...

OBAMA: ... that I will execute...

ROBERTS: ... faithfully the office of president of the United States...

OBAMA: ... the office of president of the United States faithfully...

ROBERTS: ... and will to the best of my ability...

OBAMA: ... and will to the best of my ability...

ROBERTS: ... preserve, protect and defend the Constitution of the United States.

OBAMA: ... preserve, protect and defend the Constitution of the United States.

ROBERTS: So help you God?

OBAMA: So help me God.

ROBERTS: Congratulations, Mr. President.