Oregon Shooting
"I just said, 'I believe that you want the guy behind the counter.'"
The nation is divided over whether stricter laws would pass -- or stop mass shootings.
"I want to plant in people’s minds what to do in a situation like this."
What about gun violence?
WHAT'S HAPPENING
"We will not be defined by violence."
"I would say, 'Hey, guys, everybody attack him.'"
He wrote something to the effect of: "Other people think I'm crazy, but I'm not. I'm the sane one," an official said.
The president will travel to Roseburg Friday.
"The president rightfully asked what he could do to prevent gun violence tragedies - our recommendations answer that call."
The co-director of the University of Chicago's Crime Lab tell HuffPost Live our firearm problems run deeper.