Concert at Newark airport for cabbie who returned $4M Strad
                                
                                
                                    (Newser) -
                                    When violin virtuoso Philippe Quint left a 1723 Antonio Stradivari “Ex-Kiesewetter” in a New Jersey taxi two weeks ago, he was distraught: The $4 million instrument was not only irreplaceable,  it was on loan. But the cab driver returned the violin next morning, and today, in gratitude, the Grammy-nominated...