Claim: Willie Nelson is a liberal activist and is part of liberal non-profit organization.
Evidence: Nelson is a major liberal activist and the co-chair of the advisory board of the National Organization for the Reform of Marijuana Laws -LRB- NORML -RRB- , which is in favor of marijuana legalization.
The National Organization for the Reform of Marijuana Laws -LRB- NORML -LSB- ˈnɔrməl -RSB- -RRB- is an American non-profit organization based in Washington , DC whose aim is to move public opinion sufficiently to achieve the legalization of non-medical marijuana in the United States so that the responsible use of cannabis by adults is no longer subject to penalty.