There are already two candidates in the Democratic primary for retiring Sen. Jon Kyl's, R-Ariz., seat -- former Arizona Democratic Party chair Don Bivens and former U.S. Surgeon General Richard Carmona -- and a third may soon jump in as well. Rev. Warren Stewart Sr., a civil rights leader in the state, has formed an exploratory committee for a potential Senate run. The Arizona Republic:
Stewart is perhaps best known in the political sphere for spearheading, in the late 1980s and early 1990s, the drive to enact a state holiday honoring the late Rev. Martin Luther King Jr. The issue was politically charged in the days after then-Gov. Evan Mecham's controversial decision to rescind Arizona's original King holiday. More recently, Stewart was active in protests against Senate Bill 1070, Arizona's controversial immigration-enforcement law.