From CNN.com:
Secretary of State Hillary Clinton told CNN's Wolf Blitzer she does not want to serve a second term as secretary of state or run for president of the United States.
Blitzer sat down with the former 2008 presidential candidate in Cairo.
Full transcript:
Q- If the president is reelected, do you want to serve a second term as secretary of state?
No
Q- Would you like to serve as secretary of defense?
No
Q- Would you like to be vice president of the United States?
No
Q- Would you like to be president of the United States?
No