Mike Gravel

War in Iraq
Opposes the war and supports immediate withdrawal of all U.S. troops.
Environment
Supports legislation to reduce carbon emissions.
Opposes deforestation, a source of greenhouse gas emissions.
Supports a global-wide effort to fight global warming.
Taxes
Proposed the Progressive Fair Tax, which would get rid of the IRS and income tax and create a national sales tax.
Health Care
Proposed a plan for universal health care paid for by retail sales tax, not by citizens. Vouchers would be given to citizens to pay for one of the six offered plans.
Immigration
Supports a guest worker program and better programs than NAFTA.
Marriage
Supports same-sex marriage.
Abortion
Supports Roe v. Wade.
Education
Supports expansion of the Head Start programs.
Supports universal pre-kindergarten.
Supports reforming the No Child Left Behind Act.

Sources and further issues: http://www.gravel2008.us/issues.php