In 1978, Stenberg ran for Lieutenant Governor of Nebraska, coming in fourth in the Republican primary with just 13% of the vote. Roland A. Luedtke won the primary with a plurality of 31%.
Thone administration
In 1979, he was named as Legal Counsel to Republican Governor of Nebraska Charles Thone. Don has also served as Director of the Governor's Policy Research Office, Assistant to the Governor, and Director of the Department of Administrative Services.
In 1990, he ran for Attorney General again. In the Republican primary, he won with a plurality of 38%. In the general election, he defeated Democrat Gene Crump 54%–46%. He won re-election in 1994 and 1998.
Tenure
Stenberg was the named defendant in the noted Supreme Court abortion case, Stenberg v. Carhart 530 U.S. 914.
1996 U.S. Senate election
Stenberg first ran for the U.S. Senate in 1996 to succeed retiring Democratic U.S. Senator J. James Exon. Initially seen as the frontrunner, he was defeated by business executiveChuck Hagel 62%–38%. Hagel went on to win an upset against Democratic Governor Ben Nelson.
2000 U.S. Senate election
After being re-elected Attorney General in 1998, Stenberg again ran for the U.S. Senate in 2000 to succeed retiring Democratic U.S. Senator Bob Kerrey. He won the six candidate primary with 50% of the vote. In one of the closest elections in Nebraska history, Nelson defeated Stenberg 51%–49%, even as Republican presidential nominee George W. Bush won the state with 62%.
Post-Attorney General career (2003–present)
Private sector
Stenberg left office as Attorney General in 2003 and returned to work in the private sector as of counsel at Erickson and Sederstrom, the same firm where his former boss, Charles Thone, is a partner.
2006 U.S. Senate election
In 2006, Stenberg launched his third bid for the U.S. Senate. Once again, an early frontrunner, he was defeated by former Ameritradechief operating officerPete Ricketts 48%–38%. Ricketts went on to lose to incumbent U.S. Senator Nelson.
State Treasurer
In 2010, Stenberg ran for Nebraska State Treasurer to succeed retiring Shane Osborn. He won the primary over state Senator Tony Fulton 52%–28% and won the general election with 73% of the vote.
2012 U.S. Senate election
In 2011, he announced his intention to run for the U.S. Senate a fourth time. After receiving endorsements from Club for Growth and Freedomworks, Stenberg split the Tea Party vote with attorney general Jon Brunning. Stenberg came in third place, taking 18.8% of the vote. The nomination went to State senatorDeb Fischer.
2014 election
Following the withdrawal of the two leading candidates for the Republican nomination for Governor, Stenberg said that he would consider "what is the best way to serve the state of Nebraska". He has said that it was "unlikely, but possible" that he would run for Governor. He also considered running for the open U.S. Senate seat, but decided instead to run for re-election to a second term as Treasurer.
Personal life
He is married to Sue Hoegemeyer of Hooper, Nebraska. They have been married 39 years and have four children.