The Holocaust, 80 Years On,' the historian leads an intimate journey into the humanity and inhumanity of the Shoah.

These documentaries explore everything from the rise of the antiregulatory movement, to the choices people face when their homes are threatened by rising seas.

Francis' appearance from the same loggia where he was introduced to the world as the first pope from the Americas on March 13, 2013, was a fitting bookend to a 12-year papacy that sought to shake up ...