Sad. (MSNBC) — Republican presidential hopeful Herman Cain is claiming his race will help him win over African American voters. In a seven-page mailer sent to Iowans over the weekend, Cain writes, “as a descendent of slaves I can lead the Republican Party to victory by garnering a large share of the black vote, something … Continue reading NBC/WSJ Poll: Obama Wins 93% of The Black Vote Against Herman Cain…