Today is gonna be the day — and maybe Liam and Noel Gallagher really are gonna live forever? Further cementing their place in the pop cultural firmament, Manchester’s most cocksure duo walked the Venice Film Festival’s historic red carpet Saturday night for the world premiere of Oasis: Don’t Look Back in Anger, Disney’s much-anticipated behind-the-scenes documentary chronicling last year’s wildly successful globe-spanning reunion tour. Created by Peaky Blinders mastermind Steven Knight, Oasis: Don’t Look Back in Anger combines concert film, backstage documentary and an unusually intimate portrait of the Gallagher brothers’ famously…
