Paul Asay with PluggedIn.com shares about a new superhero movie—Thunderbolts. It features a disgraced Captain America, a couple of assassins and a few other folks with checkered pasts and asks them to ... save the world. That sparks a question: What is a hero? In this time of uncertainty, stress and divisiveness, we seem to need one more than ever. What makes for a great hero on screen? What makes a hero in real life?