A purple smock adorned with smiley faces cloaks LeBron James’ body around 7:30 a.m. one mid-April morning, as he’s groomed for a magazine cover shoot at the Los Angeles Lakers practice facility in El Segundo, Calif. Typically, this would be awful timing for a reflective talk with one of the world’s most famous people. James hasn’t been sleeping well. His speech is groggy. A first-round playoff series with the Houston Rockets opens in three days. He has practice soon. But throughout a rare