[7] During World War II, Haskell served in the U.S. Army from 1941 to 1945, seeing action in Asia, viewing the immediate aftermath of Hiroshima, and reaching the rank of major.
[3] He served as a member of the Senate Finance and Energy and Natural Resources Committees, where he earned a reputation as a tax reformer and an environmentalist.
[2] He supported the historic Alaska Lands legislation and regulation of auto emissions, the Panama Canal treaties, and alternative sources of energy.
[15] In 1978, lacking campaign funds and media acumen, he was defeated for re-election by Congressman William L. Armstrong, the first in Colorado to raise over a million dollars, losing by a landslide margin of 59%-40%.
[16] After his Senate career, Haskell established his residence in Washington, D.C., where he practiced law before joining Common Cause and a bipartisan group of retired lawmakers calling for campaign finance reform and an end to congressional gridlock.