As a child, Vanessa T. Mueller, Ph.D., was captivated by how people communicated.Muller has stuttered for as long as she can remember. Her inability to communicate without blocks or tense pauses in her speech made her self-conscious growing up. Because of her stutter, Mueller dreaded answering questions in class.'I've always thought about how people communicate since it was so difficult for me at a young age,' said Mueller, an assistant professor in The University of Texas at El Paso's Col....