OnthemorningofSeptember11,2001,PaulMcCartneywasinNewYorkCityonanairportrunwaywaitingtoflytoBritain.Asheabsorbedthenewsoftheunfoldingtragedy,hewondered,“WhatcanIdo?”Theanswer,ofcourse,layinmusic. McCartneyreachedouttomasterdocumentarianandlong-timefriendAlbertMaysles,invitingMayslestodocumenthispersonalexperienceson1...
……