Robert De Niro is giving the most unhinged performance of his life – and it’s no act

Robert De Niro’s eyes glittered with a malignancy not witnessed since his gun-packing younger self stared at his reflection during the famous “you talkin’ to me?” scene in Taxi Driver. But rather than a mirror in a filthy apartment, De Niro was looking out at the great and good of the New York entertainment industry at this week’s Gotham Independent Film Awards at swish Cipriani Wall Street. “The beginning of my speech was edited, cut out, and I didn’t know about it,” he fumed. “And I want to re