Originally Posted by mustachepete
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Murder of the Top Mafia Boss' son and Vito is now left without a heir due to Sonny's assassination....What are Vito's options?

If you walk this question back into the novel, Vito had already decided as of Connie's wedding that Sonny was not suited to lead the crime organization. He had already decided that he had to find a new successor. So, Vito was without an heir whether Sonny lived or not.
Mr mustachepete you are contradicting....!

From what we saw in the movie, among others -

  • Vito to Tom in the Fish tank scene
Santino was a bad Don, rest in peace

  • Vito to Michael in the Garden scene
I knew that Santino was going to have to go through all this

It seems to me even though Vito had misgivings that “Sonny was not suited to lead the crime organization” if Sonny had not been killed Sonny would be Vito's heir and would have become the Don