By finish the job you mean genecide of all Iranians or long term occupation and colonization? Those are only two finish the job options. And USA is incapable of

By finish the job you mean genecide of all Iranians or long term occupation and colonization? Those are only two finish the job options. And USA is incapable of either. Also, it is impossibly to cooperate and make agreements with current USA. That limits the coalition options.