"Malcolm Evans, the Beatles' long-time roadie, personal assistant, and devoted friend, was an invaluable member of the band's inner circle. A towering figure in horn-rimmed glasses, Evans loomed large in the Beatles' story, contributing at times as a performer and sometime lyricist, while struggling mightily to protect his beloved "boys." He was there for the whole of the group's remarkable, unparalleled story: from the Shea Stadium triumph through...