“During our national convention we will clearly demonstrate why we need to keep Barack ObamaBarack ObamaGreens promise war over Trump’s climate rollback Perez: Trump climate order helps ‘the worst polluters’ Ash Carter accepts Harvard professorship MORE and Joe BidenJoe BidenSenate about to enter 'nuclear option' death spiral Biden: I regret not being president Biden: 'McCain is right: Need select committee' for Russia MORE in the White House," Wasserman Shultz said.

“But this convention is about more than re-nominating President Obama. It's about Americans coming together to build one economy — not from the top down, but from the middle class out and the bottom up.”

The highlight of Tuesday evening’s speeches was expected to be first lady Michelle ObamaMichelle ObamaObama to travel to South Pacific island to work on memoir: report Obama and Trump haven’t talked since inauguration For Democrats, no clear leader MORE’s shortly after 10 p.m.