So in my first live shot with anchor Adrian Finnegan on CNN International, I mentioned that I'm Catholic and how excited I was to be a part of this day.

CNN: Behind the Scenes: Thrilling day covering the pope

One day after Kansas City Chiefs linebacker Jovan Belcher shot and killed his girlfriend, Kasandra Perkins, NBC Sports anchor Bob Costas said it was time to talk about this nation's fascination with guns.

CNN: Now is the time to talk guns, mental illness