But the question [Is America ready to elect a Black Presdient?] also suggests the barriers, spoken and unspoken, that he and his running mate, Senator Joseph Biden of Delaware, must still overcome to reach the, so-named, White House.
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We know the main Republican lines of attack against him: untested, aloof, radical and, yes, different.
I'm assuming the existence of barriers makes it harder on his candidacy and the fact that McCain campaign is making race an issue is a negative.