A U.S. senator from 1957 to 1981, this Boise Idaho native led controversial investigations of the CIA in the late 1970s
In late 1975 and early 1976, a sub-committee of the U.S. Senate led by ... 
 Lockheed bribery scandals in 1970s and 1980s) : 1981 to 1985 
Nihon .... Party , he served as a United States Senator from Idaho from 1957 to 
1981.