She drops 12 points in CNN poll from surge after first debate
                                
                                
                                    (Newser) -
                                    Joe Biden has bounced back from his  debate squabble  with Kamala Harris, who is now floundering, according to a new  CNN  poll. With the support of 29% of potential Democratic voters, up 7 points since late June, Biden regains a double-digit lead over Bernie Sanders (15%) and Elizabeth Warren (14%),...