Alexa, play "Father Figure." L. Steven Taylor, The Lion King on Broadway's long-time Mufasa, has learned a lot about fatherhood and family since taking on the role in 2015. A dad in real life, his son was three years old when Taylor first joined the show's ensemble in 2005. Now, he's 24. The actor's approach to playing Mufasa has also developed over time, beginning with what he calls "insecure excitement" in the earl…