CNN takes a look at intriguing popes from the past

After two days of deliberations, cardinals have elected Cardinal Robert Francis Prevost as the first American pontiff in history. The length of the process suggests that Prevost – who will be known as Pope Leo XIV – has quickly impressed his peers. But history shows us it’s not always an easy choice. CNN’s James Frater goes through the archives to look at past instances when they didn’t quite get it right.