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President Obama has been explaining his proposals on gun control to a public television audience. He's reiterated that what is proposed is a strengthening of background checks on those who buy guns in the hope that some needless killings can be averted. "There is a mass shooting. They get publicity every few months there is one they get national publicity, every day there's hope one should focus on streets around the country that we don’t even hear about. That is not something that we can be satisfied with." Mr. Obama called gun violence a national crisis and he urged gun owners and firearm manufactures to play their part in ending it. News from the BBC.