The bottom liine here is Luca was the wrong man for the job. This guy was tough but he couldn't even give his own Don a wedding gift without flubbing his lines. No way he could have conned Sollozzo.
"Io sono stanco, sono imbigliato, and I wan't everyone here to know, there ain't gonna be no trouble from me..Don Corleone..Cicc' a port!"
