Conversation so far:
who becomes president if vice president can't
If the vice president is unable, the speaker of the House of Representatives is next in the United States presidential line of succession.
who is next after speaker of the house in the United States presidential line of succession
After speaker of the House comes president pro tempore of the Senate.
how many times has the vice president become president
Since 1789, the vice president has succeeded to the presidency intra-term on nine occasions.
why did the president leave office to make vice president p become president
Eight times were due to the president's death, and once due to resignation.

Question: has the line gone lower than vice
Self-contained rewrite: has the presidential line of succession ever gone lower than vice president