U.S. Vice President Joe Biden (R) and his wife Jill Biden gesture to spectators during the 2016 U.S. Democratic National Convention at Wells Fargo Center, Philadelphia, Pennsylvania, the United States on July 27, 2016. (Xinhua/Li Muzi)
U.S. Vice President Joe Biden (R) and his wife Jill Biden gesture to spectators during the 2016 U.S. Democratic National Convention at Wells Fargo Center, Philadelphia, Pennsylvania, the United States on July 27, 2016. (Xinhua/Li Muzi)
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