A worldwide tour in 1972 would of been a tremendous step in his career. With "Burning Love" high in the charts, and the success of the MSG shows as a catalyst, there would of been no limit to the exposure and supremecy of an Elvis worldwide tour. By now the road show had it's best groove, and he would of sold out every major arena in the world. I feel like so many others, had Elvis had this major challenge before him, his life might of taken a different course. The cost of the logistics, security, and promotion would of been easily recouped in a short amount of time. This success might of had a residual effect on his recording career after 1972, and perhaps he would been given much meatier and hitmaking material to record. It might have also given Elvis film offers, which with the exception of A Star is Born, were relatively few and far between in the Seventies. Of course all of this is pure speculation, and a definite lost opportunity. But it would of been nice to have seen it happen..