Supporters of photo ID laws, backed mainly by Republican legislators and governors, say they are aimed at thwarting election fraud and are no more discriminatory than requiring IDs for cashing a check or making credit-card purchases.

Which are private transactions, not public ones like voting. Dick.

http://www.reuters.com/article/2011/07/25/us-naacp-voters-idUSTRE76O6NP20110725