‘People are still isolated and obsessive’: De Niro, Scorsese, Foster and Schrader reunite for Taxi Driver at 50

The director, screenwriter and stars of the 1976 classic film spoke about its making and parallels to the internet age at New York’s Tribeca film festivalIt’s a half-century-old film so darkly prophetic and viscerally relevant that even its makers are still unpacking it.