The National Rifle Association has gained about a half million members since the Newtown, Connecticut, shooting. The NRA now has more than 4.5 million members, Andrew Arulanandam with the NRA tells CNN.
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Want to know more? Do you think there can there be a solution to America's gun problems? Anderson Cooper looks at both sides of the debate in "Guns Under Fire: an AC360º Town Hall Special" Thursday at 8 p.m. ET on CNN.