Overlooked bloc could give Obama a hidden 2% boost
                                
                                
                                    (Newser) -
                                    Pollsters are setting themselves up for an embarrassment, Salon predicts, by using only landlines in surveys, ignoring the 15% of American adults who use only cellphones. That 15% is predominantly young, full of students, and disproportionately black and Hispanic. They are not, in other words, likely McCain voters. Add this...