TALLAHASSEE, Fla. – A divided U.S Supreme Court on Thursday upheld an appellate court's decision to temporarily block hundreds of thousands of Florida felons from voting, making it unlikely that they will be allowed to cast a ballot in the state’s primary next month — and possibly in November's crucial presidential election.The high court's order came just four days before Monday's deadline to register for the August primary, when voters will choose candidates for Congress, the state Legislature and local races.The ruling lets stand a stay issued by the Atlanta-based 11th Circuit Court of Appeals, which is reviewing a ruling by a Tallahassee federal district court judge that ordered the state to give felons access to the ballot box under a.