This piece was coauthored with Travis Manuel. This is a cross-post from the Clearer Thinking blog. According to YouGov polling, 41% of people in the United States think that it is the greatest country in the world. Others see the U.S. as a place full of arrogance, violence, and inequality. So, what's the truth?  The truth is that there isn't a single notion of what makes something the "best." To explore how great (or not) America is, we'll start by looking at the question from mu...