Dan Rice had many lives. He was a pig presenter, a strongman, a lecturer, and a comic singer, all before joining the dazzling world of the circus. In 1855, he created Dan Rice's Great Show. Labeling himself the "Great American Humorist," he toured the country and spoke out on issues of the day before large crowds. Swept up in a new cult of celebrity, he rose to become one of the most famous -- and infamous -- men in America. He even ran for president...