yes, unfortunately there were some popes who were morally corrupt. but not in matters of faith and doctrine.
Yes, definitely. As an example, do some reading on "Inquisition", which was carried out by the Catholic Church, under several popes.
In the history of the Church there have been a number of bad, even evil, popes but not a single one taught anything contrary to Catholic doctrine.
The Church has had some very bad and evil men as popes in the Church's long history. Other have been good men but did nothing deserving of sainthood. Others led saintly lives and were canonized.
Popes do not elect popes. Popes are elected by the cardinal electors.
The vile, evil Pope Benedict IX was deposed and excommunicated by Pope Damasus II who was elected to succeed Benedict IX.
The vast majority of popes have been Italian. As of February of 2013 there have been only 18 popes from other countries.
There have been 17 popes from France, the second behind Italian popes.
the popes had more power over the kings
Papaphobia is the fear of popes.
There have been 217 Italian popes and only 49 non-Italian popes.
I am sure there are many popes in Heaven but am equally sure that there are a number of popes burning in hell.
There have been some very bad, evil and vile popes who led rather profligate lives. However, despite how bad they were, not one of them committed heresy.
There have been 12 popes who have taken Pius as their name.