RIO DE JANEIRO (AP) — The most instructive line in the Oscar-winning “Deer Hunter” isn’t delivered by Robert De Niro or Christopher Walken’s suicidal character Nick but by an oily Frenchman in the embers of Vietnam War-time Saigon who tut-tuts disapprovingly when Nick turns down a glass of champagne.

“Don’t say no,” he purrs. “When a man say no to champagne, he say no to life.”