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The gun at the heart of the assault weapons debate

National Rifle Association chief executive Wayne LaPierre is set to appear Wednesday morning before the Senate Judiciary Committee.

Internet picture of a Bushmaster .223 caliber Remington automatic weapon, similar to the one found with a 30 round magazine in Sandy Hook Elementary School killer Adam Lanza's car at the school in Newtown, Connecticut. (Rex Features via AP Images)
Internet picture of a Bushmaster .223 caliber Remington automatic weapon, similar to the one found with a 30 round magazine in Sandy Hook Elementary School…Rex Features

Frank Smyth