 During the 2000 presidential election King endorsed the presidential campaign of Ralph Nader

In 2002, King endorsed [Green-Rainbow Party] candidate Jill Stein for governor of Massachusetts, saying "Jill Stein is the only candidate who will speak truth to power...She's the only one that makes issues of racism and social justice integral parts of her campaign.King endorsed at-large city-councilor Sam Yoon for Mayor on August 10, 2009.King praised Yoon's vision, his collaborative approach and his focus on improving the educational system in Boston.