Netflix ’s recent  Kevin Hart  roast came about after they were first turned down by  Paul McCartney . READ MORE:   The Beatles: every song ranked in order of greatness The Roast Of Kevin Hart  aired live on the streaming network on Sunday (May 10), hosted by comedian Shane Gillis, but it has emerged that one of Netflix’s original targets for the roast was the Beatles legend. Jeff Ross, who executive produces the Netflix roasts, told  Variety : “We did ask Paul McCartney at one point. To me, that would be a fantasy roast. Paul McCartney doesn’t need anything, but a Paul McCartney roast would be good for the world.…