INSTAPUNDIT AND HIS READERS on the ways immigration has shaped the American character. One reader: “But I also suspect that the factors that have made America great–lots of hard-headed, independent, courageous, determined, borderline anti-social people from all over the world–may also be among the reasons that it’s a pretty violent place. I guess it’s true that you’ve got to take the bad with the good.” Here are my thoughts on the same question.