The 17-person keynote spreads the spotlight typically used to highlight one person as millions are expected to tune in to the scheduled formal nomination of former Vice President Joe Biden.
"What I'm worried about is that we will not be able to effectively count the votes of every eligible American because he's doing his best to undermine our confidence in ...
"There will be no vice president, there will be no president if our democracy crumbles under the inefficiencies and the inequities that we see happening."