Former Vice President Joe Biden still isn't done with Hillary Clinton and the 2016 election -- and that may be why he refuses to rule out running again for president in 2020.
원문출처 : http://www.cnn.com/2017/05/19/politics/joe-biden-hillary-clinton/index.html
원문출처 : http://www.cnn.com/2017/05/19/politics/joe-biden-hillary-clinton/index.html