“Every day, for 40 f%^&% years, one of you has stopped me on the street and said, ‘You talkin’ to me?’” groused Robert De Niro at a recent Q&A at the Tribeca Film festival reuniting the makers of “Taxi Driver”. Martin Scorsese, Harvey Keitel, Jodie Foster, Cybil Shepherd and screenwriter Paul Schrader all swapped anecdotes, and De Niro led the audience in one last rendition of his most famous line, in an effort to expunge the ghost. He’s not the only one haunted by the role, which remains the template for every young Hollywood actor eager to put the lucre...