A gunman opened fire at the Fort Hood military post in Texas on Wednesday, killing three people and wounding 16 before committing suicide. Take a look at some of the worst mass shootings in U.S. history.
We've been watching what's being called the "greatest activation of Hawaiian people in more than 100 years." But could a new movement designed to unite those people tear them apart? It’s something that critics of Na’i Aupuni say could happen.