Dallas Review: Who Shot J.R. Again?

Here's my take on the shooting. I believe that JR had a terminal illness.
Knowing he had a few months to live, he purchased a multi million dollar life insurance policy. He left the policy beneficiary to John Ross. JR then hired someone to kill him so he could leave all the money to John Ross, to keep him and Sue Ellen financially secure. Now thats a great story line... and a great twist to the story line.