By his own admission, Herman Cain is a black man who doesn’t want to be considered an African-American. In other words, he doesn’t want his race to be the central issue in his push for the White House. He’d rather people focus on the fact that he knows firsthand what the American Dream really is, and what it means for everyone who’s willing to work hard to achieve it. (Remember his words “I was po before I was poor,” signifying that he came from less than nothing to where he is today based on hard work.) What has the Republican...