Compare the Candidates
Biographical Profiles and Positions on the Issues

June 9, 2026 Maine Democratic Party State Primary

Candidates for U.S. Senate, Maine

Graham Platner - D

►Websitewww.grahamforsenate.com/

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Janet T. Mills - D

►Websitewww.janetmills.com/

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David Allen Costello - D

►Websitewww.costelloforsenate.com/

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View a list of all questions available to the candidates. Questions are included below only if there is at least one response.

Videos by Candidate

David Allen Costello

Biographical

General Philosophy

Personal and Family

Professional Experience

Civic Involvement

Political Experience

Educational Background

Military Service

Reasons & Objectives

Why I Am Running for Public Office

Areas to Concentrate On

On Entering Public Service

Other Candidates

Housing & Communities

Housing

Homeownership

Health & Medical

Universal Medical Care & Insurance

Prescription Drugs

Rural Health Care

Immigration, Border Security, Terrorism & Homeland Security

Immigration Policy & Reform

Deportations

War on Terror

Foreign Policy

Israel, Hamas and Palestinian Conflict

Endorsments, Voting, Elections, Politics & Government

Campaign Finance Reform

Post Office & Postal Banking

Jobs, Economy, Trade, Business, Industry & Agriculture

Small Businesses

Agriculture

Labor, Wages & Unions

Minimum Wage

Unions and Collective Bargaining

Education & Schools

Public Schools K-12

Vocational and Technical Education

Environment & Climate Change

Environment

Pollution

Invasive Species

Abortion, Pro-Life & Genetic Engineering

Pro-Choice (Abortion) or Pro-Life

Civil, Religious, LGBTQ & Human Rights

LGBTQ+

Privacy Rights

Persons with Disabilities

Native American Rights

Values, Religion, Family, Patriotism & Public Service

Child Care

Marijuana, Illegal Drugs, Alcohol, Cigarettes, Gambling & Prostitution

Marijuana

Drug Prevention and Rehabilitation

Taxes

Military, National Defense & Veterans

Veterans

Veterans' Health and Medical Care

Veteran Employment

Minorities

Native American Rights

Sex & Sexuality

LGBTQ+