Papal conclave: Why do cardinals wear funny hats?

Pope - Wikipedia

Bizarre and dramatic papal elections

What's a cardinal?

With a gay orgy scandal in his troubled diocese under police investigation, a Polish bishop resigns

Criticism of Cardinal Dolan letter 'silly,' George Weigel publisher says

Benedict XVI, First Modern Pope to Resign, Dies at 95 - The New York Times

Pope Francis creates 21 new cardinals who will help reform church

US will have unprecedented voice in electing new pope

The Cardinal on Colbert: Dolan does Comedy Central

During the last papal conclave, as the cardinals were entering the Sistine Chapel, I saw on TV someone wearing a black cape and not wearing the usual red sash and skullcap. Is

Habemus Who?' A Daunting Task at the Papal Conclave

What's the name for Pope Francis' hat? Papal vestments, explained

What's the name for Pope Francis' hat? Papal vestments, explained

What's a cardinal?

Conclave trivia: Why cardinals are locked in, popes' houses ransacked