Among 23 developed countries, 80% of all gun deaths occurred in the U.S. How could this be?

"We are the only advanced country in the world that sees these mass shootings every few months" —@POTUS #UCCShooting http://t.co/8sheX2R0wI

— The White House (@WhiteHouse) October 1, 2015

There are more deaths from guns in the U.S. than deaths from all U.S. wars. pic.twitter.com/PhneQtv8Hi

— AJ+ (@ajplus) October 2, 2015

There have been more mass shootings this year than days. #UCCShooting is just one more (10/1) http://t.co/AaQHS4arll pic.twitter.com/cUpToJJzFV

— The Boston Globe (@BostonGlobe) October 2, 2015

Putting the U.S. gun problem in perspective. #UCCShooting pic.twitter.com/UaKjnLjMsa

— AJ+ (@ajplus) October 1, 2015

Today’s Question: Among 23 developed countries, 80% of all gun deaths occurred in the U.S. How could this be?