Roth attempts a hit on his life, and makes Pentangeli think Michael ordered it. This upset him immensely, and in revenge Pentangeli becomes an informant against the Corleone family. According to Gambetta’s analysis, an effective Mafiosi must have an advantage in coercion, information management and advertisement. Being the effective Mafiosi that he is, Michael utilizes these advantages and is able to foil Roth’s attempt to get him imprisoned. As I noted above, to Sicilians, family and honor are of the utmost importance. Being the old school Mafiosi he is, Pentangeli holds these values incredibly dear to him. That is why Roth did not foresee the effect Michael’s actions would have on Pentangeli’s testimony. By bringing in Pentangeli’s older brother from Sicily, Michael is utilizing his information edge coupled with coercion to make Pentangeli realize that what he was doing was incredibly wrong. Fear never crossed Pentangeli’s brother’s mind in the courtroom, instead there was just a look of utter disgust on his face. This resonated deeply with Pentangeli as he was breaking “omerta,” or the mafia code of silence (Alcorn, “What is the Mafia?”). When Elster states that honor’s “aim is sheer self-assertion and self-esteem,” it is clear to the viewer the value Pentangeli places on family as he commits perjury in order to avoid losing his honor in front of his brother (Elster (1989),…