U.S. Vice-President and Democratic party presidential nominee Kamala Harris made a surprise early appearance on the first night of the party convention in Chicago, thanking President Joe Biden and telling the crowd, 'We are moving forward.' #Politics #News #CBCNews Watch The National live on YouTube starting at 9 p.m. ET Subscribe to The National: https://www.youtube.com/user/CBCTheNational?sub_confirmation=1 More from CBC News | https://www.cbc.ca/news The National is the flagship of CBC News, showcasing award-winning journalism from across Canada and around the world. Led by Chief Correspondent Adrienne Arsenault and Ian Hanomansing, our team of trusted reporters helps you make sense of the world, wherever you are.