He was the self-described "ringmaster of a human circus". The American talk-show host Jerry Springer has died at 79. His wild and wacky program ran from the early '90s to 2018 and the show's outrageous brawls made the one time mayor of Cincinnati a household name. In this report on the ABC's PM program, USSC Professor Brendon O'Connor say Springer has had a lasting impact on American culture.