>>However, you then go on and tie that legitimate argument in a support for the more mushy-headed proposition that Ira (with no originality, btw) that Americans are culturally prone to and accepting of violence.<<

Without typos, that would read: "However, you then go on and tie that legitimate argument in as support for the more mushy-headed proposition that Ira (with no originality, btw) advances: that Americans are culturally prone to and accepting of violence.