ja %E3%82%A2%E3%83%95%E3%83%AA%E3%82%AB%E7%B3%BB%E3%82%A2%E3%83%A1%E3%83%AA%E3%82%AB%E4%BA%BA%E3%81%AE%E3%82%A2%E3%83%A1%E3%83%AA%E3%82%AB%E5%90%88%E8%A1%86%E5%9B%BD%E5%A4%A7%E7%B5%B1%E9%A0%98%E3%81%8A%E3%82%88%E3%81%B3%E5%89%AF%E5%A4%A7%E7%B5%B1%E9%A0%98%E5%80%99%E8%A3%9C%E8%80%85%E3%81%AE%E4%B8%80%E8%A6%A7List of African-American United States presidential and vice presidential candidates