ballot. if something happens on election day, you will have already taken care of it. ohio is the key piece in mitt romney s electoral map puzzle. no republican has won the white house without winning here first. but the obama campaign says their organization and ability to turn out their supporters will carry them to victory. karen travers, abc news, cleveland, ohio. busy scene out there by karen. another interesting development yesterday was that col colin powell, arguably one of the most prominent african-americans in the country came out and endorsed obama for the second time, did the same thing in 2008. asked about his rationale, one thing he pointed to was foreign policy. couldn t get a strong handle on where mitt romney stood on foreign policy. some flip-flops or ambiguous answers. again, backed the president. and you know, what weight that