Tons of people have a soft spot for their favorite cartoon or comic strip -- yet few have attained the social status of the legendary artist Thomas Nast, the caricaturist often referred to as the "Father of the American Cartoon." In the first part of this two-part series, Ben, Noel and Max explore Nast's early childhood, the beginnings of his career, and the path that led him to become, in a very real way, the conscience of America.