LeVar Burton has three roles he'll forever be known for: Kunta Kinte on the TV series Roots, Geordi La Forge on Star Trek: The Next Generation and host of Reading Rainbow. Those roles have had profound impacts on people and he now understands, as he puts it, "my job is to be LeVar Burton." He talks to Rachel about the tension of that job, his changing definitions of success and learning to embrace the chaos.To listen sponsor-free, access bonus episodes and support the show, sign up for Wild Card+ at plus.npr.org/wildcard