Mission: Impossible - The Final Reckoning,’ Tom Cruise's final case as Ethan Hunt after nearly 30 years, earned a 7½-minute ovation after its Cannes premiere.

Impossible character Ethan Hunt gamely takes on the burden, ad nauseam, of saving the world, Cruise genuinely thinks he can save cinema. His optimism is touching, if unrealistic. But as hard as he, and we,