By Chris Herring The Suns and Mercury owner is reportedly frustrated with his punishment, illustrating he has learned nothing from this process. Upon closely reading the extensive findings in the Robert Sarver investigation Tuesday, I could reach only one conclusion. Short of a Donald Sterling–sized smoking gun, there likely isn’t any sort of behavioral conduct the NBA would deem ugly enough to force an owner to sell. What other conclusion could someone reach after reading it? In case you didn’t catch the major takeaways, throughout the years, the Suns and Mercury owner: Repeatedly—at least fi…