Attorney General Eric Holder testifies on Capitol Hill in Washington, Wednesday, March 6, 2013, before the Senate Judiciary Committee hearing: &quot;Oversight of the U.S. Department of Justice.&quot; Holder urged Congress to confront gun violence by requiring universal background checks, imposing tougher penalties on traffickers and banning high-capacity magazines and military-style assault weapons.  (AP Photo/Evan Vucci)
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