Barack obama, embracing the man he calls a brother. And in one more sign of what a battle this campaign will be, President Trump has already fired back from the white house. Declaring he ran for president simply because obama failed. The democrats are also shining a light on some of their most prominent women, nancy pelosi, Elizabeth Warren, Hillary Clinton and the senator breaking a new barrier, Kamala Harris, who will formally accept the nomination tonight. And broke the tradition by kicking the evening off herself. I know many of you plan to vote this year, but youve also heard about obstacles and misinformation and folks making it harder for you to cast your ballot. So i think we need to ask ourselves, why dont they want us to vote . Why is there so much effort to silence our voices . And the answer is because when we vote, things change. Kamala harris right there from wilmington, delaware. Mary bruce is there, too. This is her night. This is a huge moment of significance for women