[1] Nash defeated a primary opponent, Bob Frey, who received news coverage for his controversial views.

[7][8] In 2021, Nash supported the decision of Republican Party of Minnesota Chair Jennifer Carnahan to retire after a close associate and campaign donor, Anthony Lazarro, was indicted on charges of sex trafficking.

[9] In 2019, Governor Tim Walz's administration approached Nash, who works in the cybersecurity industry, about applying to be the head of the state's IT system, MNIT.

[18][19] Nash joined Secretary of State Steve Simon in calling for election infrastructure security improvements and increasing funding to combat cyber threats and later supported the proposals in committee.

[20][21] He has opposed efforts to restore voting rights to felons on parole and to implement automatic voter registration at government offices like DMVs.

[24][25][26] In 2020, Nash opposed moves by Secretary Simon to expand mail-in voting and reduce in-person polling places during the COVID-19 pandemic, saying it "provides for a lot of electioneering and it does open the door for election fraud".

[33] Nash called for Simon to investigate ballot harvesting allegations made by the conservative activist group Project Veritas.

[35] Nash has opposed raising taxes to pay for roads and bridges, saying he would reallocate money away from light rail and transit.

[37][38][39] He has opposed the Southwest Light Rail Line, criticized the council's management of the project, and supported a legislative audit.

[49] Nash opposed limiting felony-sentence probation lengths to five years, and criticized Corrections Commissioner Paul Schnell for violating state open meeting laws when he tried to implement the change.

[55] In addressing school shootings, Nash has opposed further gun control and said he would support increasing physical security presences.

[75][76] He authored a bill to give tax credits to businesses to create apprenticeship programs at Greater Minnesota high schools.