Mikheil Saakashvili, the former president of Georgia, speaks about the death of his friend, Boris Nemtsov, who was an outspoken critic of Vladimir Putin.
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Scientists at the Medical University of Vienna have successfully outfitting three patients with sophisticated bionic hands allowing them to perform everyday tasks.
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Christians of all denominations risk their lives and safety to visit sacred places in Jerusalem associated with their faith. CNN's Elise Labott reports.
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