President Trump signed an executive order on Jan. 24, supporting construction of the Keystone XL pipeline. A U.S. official says the State Department is ready to give its approval. Evan Vucci/AP hide caption

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Evan Vucci/AP

The General Services Administration says President Trump is legally entitled to hold a lease for a hotel in a federal government-owned building, regardless of what critics say. Alex Brandon/AP hide caption

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Alex Brandon/AP

President Obama signs the Affordable Care Act on March 23, 2010. Since then, the bill has been a battering ram for Republicans. But they're struggling to replace it under President Trump. J. Scott Applewhite/AP hide caption

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J. Scott Applewhite/AP

Dr. Hussam Jefee-Bahloul, right, reads one of his poems for Ta'sheeq, a project he founded to help Syrian poets and artists share their experiences. Artiom Maksimov/Courtesy of Ta'sheeq hide caption

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Artiom Maksimov/Courtesy of Ta'sheeq

U.S.-backed Syrian Democratic Forces, made up of an alliance of Arab and Kurdish fighters, regroup on the northern outskirts of Deir Ezzor as they advance to encircle the ISIS bastion of Raqqa on Feb. 21. Delil Souleiman/AFP/Getty Images hide caption

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Delil Souleiman/AFP/Getty Images

Big Changes And Major Dilemmas Loom In Next Phase Of ISIS War In Syria

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Ranking committee member Adam Schiff, D-Calif. (left), and Chairman Devin Nunes, R-Calif., prepare to take their seats on Monday at a House Permanent Select Committee on Intelligence hearing concerning Russian meddling in the 2016 U.S. election. Drew Angerer/Getty Images hide caption

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Drew Angerer/Getty Images

Nearly two-thirds of cell mutations that cause cancer are caused by random error, a study found. Steve Gschmeissner/Science Source hide caption

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Steve Gschmeissner/Science Source

Cancer Is Partly Caused By Bad Luck, Study Finds

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A new study shows that when infants and young children grow up in households without enough to eat, they are more likely to perform poorly at school years later. Daniel Fishel for NPR hide caption

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Daniel Fishel for NPR

In a party-line 50-48 vote Thursday, senators approved a resolution to undo sweeping privacy rules adopted by the Obama-era Federal Communications Commission. Kynny/Getty Images/iStockphoto hide caption

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Kynny/Getty Images/iStockphoto

Workers attempt to salvage the sunken Sewol ferry in waters off the island of Jindo, South Korea. The Sewol sank in April 2014, killing more than 300 people. Chung Sung-Jun/Getty Images hide caption

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Chung Sung-Jun/Getty Images