WARSAW - President Obama arrived here early on July 8 morning to attend a NATO summit meeting that is unfolding against a tumultuous backdrop of renewed Russian aggression in Eastern Europe, a migrant crisis and terrorism fears on the Continent’s southern rim and internal disarray in the wake of Britain’s vote to leave the European Union.
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US President Barack Obama walks to Air Force One at Andrews Air Force Base before departing for Warsaw, Poland, on July 7, 2016.