Umpqua student talks about what he witnessed05:26
John Parker, Jr., a student at Umpqua Community College where 10 people were killed in a mass shooting, has a concealed carry permit and was carrying a gun on campus Thursday. He tells MSNBC's Jacob Soboroff about his experience.
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President Obama's responses to mass shootings04:15
Pres. Obama meets families of Ore. shooting victims04:49
Political protesters greet Obama in Oregon02:54
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Obama en route to Oregon03:45