Rob Reiner was involved in liberal political causes. He actively campaigned for early childhood education and health care, directing the television documentary I Am Your Child (1997) and successfully advocating for funding that was derived from a tobacco tax in California (1998). Reiner also campaigned for gay rights, notably joining with the American Foundation for Equal Rights in the successful fight to overturn Proposition 8, a piece of legislation that had made gay marriage illegal in California (2008).