Vietnamese Communist Party General Secretary Nguyen Phu Trong, left, speaks before a luncheon with then United States Vice President Joe Biden at the US State Department, Washington, DC, July 7, 2015.
© 2015 Brendan Smialowski/AFP via Getty Images
Vietnamese Communist Party General Secretary Nguyen Phu Trong, left, speaks before a luncheon with then United States Vice President Joe Biden at the US State Department, Washington, DC, July 7, 2015.