Editing Dave Treen (section)

===U.S. Senate and federal judgeship bids===
After leaving the governor's office, Treen returned to practicing law.<ref name="Louisiana SOS">{{cite web|url=https://www.sos.la.gov/HistoricalResources/AboutLouisiana/LouisianaGovernors1877-Present/Pages/DavidCTreen.aspx|title=David C. Treen 1980-1984|publisher=Louisiana Secretary of State|access-date=April 28, 2020|archive-url=https://web.archive.org/web/20080129112645/http://www.sos.louisiana.gov/tabid/408/Default.aspx|archive-date=January 29, 2008|url-status=live}}</ref> Still, Treen continued to seek political office. On July 20, 1984, Treen filed to be a candidate for [[1984 United States Senate election in Louisiana|that year's U.S. Senate election]] to challenge incumbent Democratic U.S. Senator [[J. Bennett Johnston]], only to withdraw four days later.<ref>{{cite news|url=https://www.newspapers.com/newspage/470181842/|title=Treen decides against running|work=The Crowley Post-Signal|page=1|date=July 25, 1984|access-date=April 28, 2020|via=Newspapers.com|url-access=subscription}}</ref>

{{see also|Ronald Reagan judicial appointment controversies}}
On July 23, 1987, President [[Ronald Reagan]] nominated Treen for a seat on the [[United States Court of Appeals for the Fifth Circuit]] in New Orleans vacated by the death of Albert Tate Jr.<ref>{{cite news|agency=Associated Press|title=Ex-Louisiana Leader To Be Named a Judge|work=The New York Times|url=https://www.nytimes.com/1987/07/23/us/ex-louisiana-leader-to-be-named-a-judge.html|date=July 23, 1987|page=A18|access-date=April 28, 2020|archive-url=https://web.archive.org/web/20121110141257/https://www.nytimes.com/1987/07/23/us/ex-louisiana-leader-to-be-named-a-judge.html|archive-date=November 10, 2012|url-status=live}}</ref> However, the appointment was delayed by Democratic senators on the [[U.S. Senate Judiciary Committee]], chaired by Delaware senator and future [[President of the United States|President]] [[Joe Biden]], who objected to Treen's past membership in the Louisiana States' Rights Party and other allegations. Treen withdrew from consideration on April 26, 1988.<ref>{{cite book|url=https://books.google.com/books?id=I2hFAQAAMAAJ&q=%22April%2026%201988%22&pg=PA510|title=Confirmation Hearings on Special Appointments (Serial No. J-100-8)|place=Washington|publisher=Government Printing Office|year=1989|pages=510–511|via=Google Books}}</ref><ref>{{cite book |last1=Cowan |first1=Walter Greaves |last2=McGuire |first2=Jack B. |title=Louisiana Governors: Rulers, Rascals, and Reformers |date=2008 |publisher=University Press of Mississippi |location=Jackson, Mississippi |isbn=978-1-934110-90-4 |page=257 |url=https://books.google.com/books?id=Y-0-kmu4vk0C&q=treen%20%22Fifth%20circuit%22%20%22States%20rights%22&pg=PA257|via=Google Books}}</ref> The Senate wound up confirming Reagan's second choice, attorney [[John M. Duhé, Jr.]]