The Duke is one mean guy in this movie!
I rewatched this movie for the first time in a long time, and I thought the Duke had some great acting moments in this movie. Somehow some people paint John Wayne as only playing a "tough good guy" character, but his character in this movie is more of an anti-hero than Clint Eastwood was in most of his westerns imo.
One example of great acting is the way his voice shook after he killed three men who were going to quit. The way he showed the inner conflict the character was going through was just great.
Anyway, I'm just trying to say this is a really good movie. Not my favorite John Wayne movie, but definately solid.