Control of the Senate hinges on 2 runoff elections next month
                                
                                
                                    (Newser) -
                                    With about a month to go before Georgia's crucial runoff races for the Senate, a new poll suggests tight finishes loom in both contests. In a  SurveyUSA  poll commissioned for  11Alive , Democratic challenger Jon Ossoff (50%) is essentially deadlocked with GOP incumbent Sen. David Perdue (48%), while in the...