Saying she is acting out of ""great sorrow, great rage," University of Virginia President Teresa Sullivan, seen here in April, is suspending all the school's fraternities until January. Steve Helber/AP hide caption

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Surveillance team member Osman Sow washes his boots after working in a potentially contaminated area of Freetown, Sierra Leone. Survey teams are sent out every day to assess sick people and dispatch burial teams to collect the dead. David Gilkey/NPR hide caption

itoggle caption David Gilkey/NPR

Michael Brown Sr., the father of 18-year-old Michael Brown who was shot dead by a police officer, distributes Thanksgiving turkeys Saturday to neighbors where his son was killed in Ferguson, Mo., this past August. JEWEL SAMAD/AFP/Getty Images hide caption

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U.S. Secretary of State John Kerry (right) and Iran's Foreign Minister Javad Zarif (left) shake hands as Oman's Minister for Foreign Affairs Yussef bin Alawi (second from right) and the former EU top diplomat Catherine Ashton watch in Muscat, Oman on Nov. 9. Iran is holding talks with six world powers in Vienna this weekend in advance Monday's deadline for a deal on Iran's nuclear program. Nicholas Kamm/AFP/Getty Images hide caption

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Civilians who had just recently arrived in Yola prepare to flee again, this time in a large open-top truck headed to the city of Jos. Ofeibea Quist-Arcton/NPR hide caption

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Some businesses in Ferguson have boarded up their windows in anticipation of the grand jury announcement whether to criminally charge Officer Darren Wilson in the killing of 18-year-old Michael Brown. Jeff Roberson/AP hide caption

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After Palestinian Abdel Rahman Shaludi killed two people with a car in an attack last month, Israel destroyed his family's apartment in East Jerusalem by blowing up the front outside and most internal walls. Israel says the aim is deterrence, while the Palestinians call it collective punishment. Ahmad Gharabli/AFP/Getty Images hide caption

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The Houbara bustard migrates in large numbers every winter from Central Asia to Pakistan. Wealthy Arabs go to Pakistan to hunt the bird, but as its numbers decline, some Pakistanis say the practice should stop. Shankar S./Flickr hide caption

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The 2012 attacks on U.S. facilities in Benghazi, Libya, happened without an intelligence failure, a House panel concludes. A photo from 2013 shows wreckage outside the main gate of the U.S. Consulate in Benghazi. AFP/AFP/Getty Images hide caption

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A harvester holds ginseng roots. Wild ginseng roots can bring big profits overseas, especially in Asia, but it is illegal to poach the root from U.S. national parks. Greta Johnsen/NPR hide caption

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Sarah Obama, left, and her translator, Mama Sarah Obama Foundation Executive Director Debra Akello, spoke at the United Nations on Wednesday. Bebeto Matthews/AP hide caption

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President Obama after discussing his executive actions on immigration Friday at Del Sol High School in Las Vegas. Business groups say the plan does little to help U.S. employers attract foreign workers. Carolyn Kaster/AP hide caption

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Dr. Komba Songu M'Briwah, left, talks on the phone while staff members disinfect offices at the Hastings Ebola Treatment Center in Freetown. David Gilkey/NPR hide caption

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An anti-Obama protester yells on a megaphone Friday across the street from Del Sol High School in Las Vegas, where President Obama delivered remarks on his use of executive authority to relax U.S. immigration policy in Las Vegas. Mike Blake/Reuters/Landov hide caption

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