What do you guys think is more likely?

Vic Amuso couldn't look Al D'Arco in the eye, the inference being that he was somehow intimidated by him.

Vic Amuso wouldn't look Al D'Arco in the eye because he was disgusted by how he kept on botching the hits he was being assigned.

Al and Gaspipe have differing versions of events. Frankly, I am more inclined to believe Al was scared shitless of Casso and Amuso and is lying in his book to give himself more credibility. The man raised a junkie for a son!

I invoke my right under the 5th amendment of the United States constitution and decline to answer the question.