Conversation so far:
can a current vice president run for president
The most recent cases of current Vice Presidents running for president include Hubert Humphrey in 1968, George H.W. Bush in 1988 and Al Gore in 2000.
How long was Al Gore in office as the vice president
Al Gore served as the 45th vice president of the United States from 1993 to 2001
When was Al Gore sworn in as the vice president
Al Gore served as Vice President during the Clinton Administration. Bill Clinton and Al Gore were inaugurated on January 20, 1993.

Question: How long was the president in office
Self-contained rewrite: How long Bill Cilnton was in office as President