What significant position did Stennis hold in the Senate for his last eight years?
Most senior member
President pro tempore
Chairman of the Senate Ethics Committee
Chairman of the Armed Services Committee
Answer
Stennis served in the Senate for 57 years, from 1947 to 1995. For his last eight years in office, he was the most senior member of the Senate, and he held the position of President pro tempore of the United States Senate.