Jack Dorsey says it's up to journalists to refute conspiracy theorist's content
                                
                                
                                    (Newser) -
                                    Alex Jones and his Infowars website have seen a crackdown this week from  Apple, Facebook, Spotify , and YouTube, but  Twitter  still won't ban Jones' conspiracy-theory-laden content, which has been labeled by some of the other tech giants as "hate speech."  CNN  reports that on Tuesday, Twitter CEO...