7 of 9: President Bill Clinton holds a Colt AR-15 rifle during a ceremony in the Rose Garden of the White House in Washington, April 25, 1994 where he launched efforts to pass the assault weapons ban. Dayton, Ohio Police Lt. Randy Bean, whose fellow officer Steve Whalen was gunned down with an AR-15 in 1991, looks on at left. (AP Photo/Dennis Cook) ( Photo)

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