Key speakers on the first day of the DNC

Sen. Elizabeth Warren: She has been designated as the convention's keynote speaker, the Clinton campaign announced today Astrid Silva: An undocumented immigrant and DREAMer, she is expected to share her story and fight to keep families together Michelle Obama: She is expected to speak about the role the president plays in the lives of American children in shaping their values and aspirations, and how she sees Clinton as best to fill that role Bernie Sanders: Following the leaked emails, his speech will give a clue as to how united the Democratic Party is heading into the general election