In our July series we'll take up the topic of immigration with our liberal commentator Aaron Brown and conservative Chuck Marohn . They look at their immigrant roots in MN. They reminded us that unless you are a Native American or an ancestor of a slave - you are an immigrant in America. What stories do you know from your family? What DIDN'T they tell you? We'll keep this conversation going all week and get into current immigration policies and politics. Don't forget to sign up for the Dig Deep