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cedric alexander, the chief of police in dekalb county, georgia, where two incidents that led to shootingss frustrated like millions of americans that we sort of lose track of the problem and instead of staying focused on the problem, we start talking about the particular type of gun used as though being shot with a different type of gun would somehow be better or worse instead of focusing on the problem. >> well, the real problem, though, isn't it, john lawton, you and i debated it after almost every mass shooting, is you guys never accept that a gun can be a part of the problem. in fact, your answer to the shootings is arm more people. now, let's take what happened today. because the nra has been curiously silent today. they don't want to say anything. this is why, because the washington navy yard is heavily secured. it is crawling in armed security, people, armed police. and yet it was still infiltrated by a man with a legally purchased ar-15, who just committed the same type of offense that we saw at sandy hook and aurora. and i'm sure, john lawton, you will explain to me that if they