“When you look that closely at someone, you almost always develop sympathy for them,” Rockwell says. “It's like sitting next to someone for a long bus ride. … I want to think about who these people are and why they made the choices they did. I want to share the results of my thoughts, which are my paintings, with other people.” She was particularly inspired to paint bin Laden. “We take for granted who he was and what he did and why, and stop thinking of him as a human being with profoundly human motivations. The war on terror is...