[ad_1] Television has been the arena for electrifying watershed musical performances — the Beatles on “The Ed Sullivan Show,” Queen at Live Aid, Tony Bennett’s “MTV Unplugged” — that become the stuff of legend: signal moments that are knitted into our understanding of an artist’s life. But in the long history of the medium, there… Continue reading ‘Reinventing Elvis: The ’68 Comeback’ review: A close look at Presley’s evolution