At the New Year's Eve party in Cuba, we all see Michael's intensely emotional reaction to the realization that his own brother was the traitor in his Family.

Can any of us imagine the reaction of Sonny under the same circumstances? I doubt he would've even been able to keep his cool long enough to get information from Fredo.

If we're going to ponder whether or not Sonny would've had Fredo killed...then it's just not that simple...we have to think about these other things too.

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