Social Issues

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Former Rep. Asa Hutchinson, Arkansas Republican, speaks during a news conference in response to the Connecticut school shooting on Friday, Dec. 21, 2012, in Washington. Mr. Hutchinson will lead a National Rifle Association program that will develop a model security plan for schools that relies on armed volunteers. (AP Photo/Evan Vucci)

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The National Rifle Association Executive Vice President Wayne LaPierre speaks during a news conference in response to the Connecticut school shooting on Friday, Dec. 21, 2012, in Washington. The nation's largest gun-rights lobby is calling for armed police officers to be posted in every American school to stop the next killer "waiting in the wings." (AP Photo/ Evan Vucci)

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National Rifle Association Executive Vice President Wayne LaPierre pauses as he makes a statement during a news conference in response to the Connecticut school shooting, on Friday, Dec. 21, 2012, in Washington. The National Rifle Association broke its silence Friday on last week's shooting rampage at a Connecticut elementary school that left 26 children and staff dead. (AP Photo/ Evan Vucci)

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Firefighters salute as a hearse passes for the funeral procession to the burial of 7-year-old Sandy Hook Elementary School shooting victim Daniel Gerard Barden, Wednesday, Dec. 19, 2012, in Newtown, Conn. Barden was killed when Adam Lanza walked into Sandy Hook Elementary School in Newtown, Conn., Dec. 14, and opened fire, killing 26 people, including 20 children, before killing himself. (AP Photo/David Goldman)

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This Monday, Dec. 17, 2012, photo shows the sign in front of the Harrold Independent School District in Harrold, Texas. The K-12 school has a policy allowing teachers and other school employees to carry concealed weapons, a controversial policy that's now being considered in at least five other states in the wake of last week's deadly elementary school shooting in Newtown, Conn. (AP Photo/Angela K. Brown)

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Walter Witschey is a Maya expert and professor of anthropology and science education at Longwood University in Farmville, Va. (Provided by Andrea Dailey)

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President Barack Obama stands with Vice President Joe Biden as he makes a statement in the Brady Press Briefing Room about policies he will pursue following the Newtown, Conn., school shootings, Wednesday, Dec. 19, 2012, at the White House in Washington. (AP Photo/Charles Dharapak)

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Vice President Joseph R. Biden (left) listens as President Obama gestures as he talks about the "fiscal cliff" negotiations during a news conference in the briefing room of the White House on Wednesday, Dec. 19, 2012, in Washington. Mr. Obama also announced that Mr. Biden will lead an administrationwide effort to curb gun violence in response to the Connecticut school shootings. (AP Photo/Evan Vucci)

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A child peers through firefighters standing as the procession heads to the cemetery outside the funeral for school shooting victim Daniel Gerard Barden at St. Rose of Lima Catholic Church in Newtown, Conn., Wednesday, Dec. 19, 2012. According to firefighters, Daniel wanted to be a firefighter when he grew up and they honored him at the service. Barden, 7, was killed when Adam Lanza walked into Sandy Hook Elementary School in Newtown, Conn., Dec. 14, and opened fire, killing 26 people, including 20 children, before killing himself. (AP Photo/Charles Krupa)

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Firefighters stand as the procession heads to the cemetery outside the funeral for school shooting victim Daniel Gerard Barden at St. Rose of Lima Catholic Church in Newtown, Conn., Wednesday, Dec. 19, 2012. According to firefighters, Daniel wanted to be a firefighter when he grew up and they honored him at the service. Barden, 7, was killed when Adam Lanza walked into Sandy Hook Elementary School in Newtown, Conn., Dec. 14, and opened fire, killing 26 people, including 20 children, before killing himself. (AP Photo/Charles Krupa)

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Firefighters stand as the procession heads to the cemetery outside the funeral for school shooting victim Daniel Gerard Barden at St. Rose of Lima Catholic Church in Newtown, Conn., Wednesday, Dec. 19, 2012. According to firefighters, Daniel wanted to be a firefighter when he grew up and they honored him at the service. Barden, 7, was killed when Adam Lanza walked into Sandy Hook Elementary School in Newtown, Conn., Dec. 14, and opened fire, killing 26 people, including 20 children, before killing himself. (AP Photo/Charles Krupa)