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FILE- In this Dec. 29, 2016 file photo, a pedestrian asks directions from two heavily armed counterterrorism officers stationed in Times Square in New York. New York Police Department officials say that while there are no specific or credible threats against the city, they are promising a bigger security detail than ever before at the Sunday, Dec. 31, 2017, New Year's Eve celebration in Times Square. (AP Photo/Kathy Willens, File)
- Kathy Willens

Casey Head crosses Main Street in downtown Concord, N.H., Thursday, Dec. 28, 2017. Bitter cold weather has taken hold of much of the northern United States, and wind chill advisories or warnings were in effect for much of New England, northern Pennsylvania and New York. (Elizabeth Frantz/The Concord Monitor via AP)
- Elizabeth Frantz

In this Dec. 27, 2017 photo, Golden State Greens "budtender" Olivia Vugrin, right, waits on a customer in San Diego, Calif. Dozens of California shops have cleared a final hurdle to sell marijuana for recreational use starting Monday, Jan. 1, 2018, and regulators will work through the weekend to grant more licenses. (AP Photo/Elliot Spagat)
- Elliot Spagat

In this Aug. 10, 2017 photo, Sabir Damolla, a straight-talking former importer who runs an afterschool center that doubles as an occasional soup kitchen, looks up during an interview in his office in Istanbul. Because of his speeches around the neighborhood to steer Uighur arrivals from Syrian militants, Adil has been pushed around by muscle-bound young Islamic militants outside mosques and intimidated. He received a death threat by phone after he ridiculed an influential young Saudi cleric in Syria who has called on Uighurs to join the jihad. (AP Photo/Gerry Shih)
- Gerry Shih

In this Wednesday, Dec. 27, 2017, photo, author Jennifer 8. Lee poses for photos before eating lunch at Dumpling Time restaurant in San Francisco. Thanks largely to Lee's efforts, the dumpling emoji was added to the Unicode Standard this year after almost two years of research, meetings, and a written, illustrated proposal that reads a bit like an academic paper, complete with research on dumpling history and popularity. (AP Photo/Jeff Chiu)
- Jeff Chiu

FILE - In this Dec. 5, 2017, file photo, an unidentified immigration officer, right, speaks to Nigerian returnees from Libya upon arrival at the Murtala Muhammed International Airport in Lagos, Nigeria. An emergency effort has begun to repatriate thousands of migrants stranded in camps across Libya, but now the returnees are posing a challenge. Back home in countries across Africa, they face the same conditions that led them to leave: high unemployment, often weak economies, an increasingly harsh climate. Governments are under pressure to give their citizens a reason to stay. (AP Photo/Sunday Alamba, File)
- Sunday Alamba, File
10 Things to Know for Today
- By The Associated Press
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