A few weeks ago I shared C.G.P. Grey's video explanation of how someone becomes Pope. This afternoon I found a couple of good CNN videos about the selection of a Pope.
In A Virtual Look At the Conclave Vote Tom Foreman explains how the votes are cast and counted. The video uses green screen effects to make you think that Foreman is actually inside the Vatican.
In Cardinals Once Took Three Years to Name Pope Anderson Cooper provides an overview of some nuggets of trivia about past conclaves and some of the factors that influence the selection of a Pope.