Obama's candidacy for president will face the same hurdles that would encumber any presidential candidate whose ethnic background does not match that of the electorate he/she solicits for votes.
A recent poll reviewed in this opinion piece in the New York Times suggests that as clearly as anything.
His post-racial campaign will have to drum up millions of non-traditional voters who do not show up in polls of "likely voters" to negate the effects of racism within the voting booth.