Roland Martin : John Sununu said Martin backed Thursday because he is black . He says it 's asinine to say race motivates blacks ' endorsements rather than accomplishment . He wants Romney to explain how Martin 's whiteness earned his support . John Sununu : It 's childish for some whites to reduce black support to skin color , not character .
Roland Martin : John Sununu said Colin Powell backed Obama because he is black . He says it 's asinine to say race motivates blacks ' endorsements rather than accomplishment . He wants Sununu to explain how Romney 's whiteness earned his support . Martin : It 's childish for some whites to reduce black support to skin color , not character .