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Meghna Chakrabarti

Argentine President Mauricio Macri and President Obama are expected to discuss expanding the countries’ economic and political relations.
The shift has already happened on Twitter, and Instagram says it’s also planning to move away from its chronological timeline.
New rules reported by Chinese media this month reveal tighter censorship in an already heavily censored country.
Stock markets started the New Year with some steep drops.
Reporter Michael Tarm of the AP explains what the emails show about what Mayor Rahm Emanuel’s office knew, and when.
The man who coined the term “biological diversity” back in 1980 explains that while many species will suffer, some will do well and adapt.
A researcher at Wheaton College who studies friendship explains its importance in human development and how it changes over time.
City officials plan to release video of the police shooting last year of African-American 17-year-old Laquan McDonald.
The nearly $160 billion deal would create the world’s biggest drug maker and bring Botox and Viagra under one roof.