Black smoke billowed out from the Sistine Chapel's chimney for the second time as the 133 cardinal electors remained undecided on who to select as the new pope. NBC News' Claudio Lavanga explains what happens on day two of the conclave.
Thick black smoke poured out of the Sistine Chapel's chimney on Thursday morning, signaling the conclave's 133 cardinals have not decided on a new pope yet.
