Beckett and Westerns

On p 69 of  "Beckett in theTheatre", Martha Fehsenfeld says, "According to Beckett, Waiting for Godot is a very active play, a kind of Western". Mentioning this to Ruby Cohn, she sort of couldn't find a logical association between Beckett and Westerns, whereas I, a staunch Becketteer on one hand, and a devout Westerns buff on the other, could