nation's artists and musicians have a particular place in its social and political life. Over the years I've tried to think long and hard about what it means to be American: about the distinctive identity and position we have in the world, and how that position is best carried. I've tried to write songs that speak to our pride and criticize our failures. These questions are at the heart of this election: who we are, what we stand for, why we fight. Personally, for the last 25 years I have always stayed one step away from partisan politics. Instead,...