The nation's response to the coronavirus outbreak dominated much of the discussion in the 11th Democratic debate on Sunday night — the first time that Joe Biden and Bernie Sanders went head to head on stage in the 2020 election cycle.
Also a first: Biden vowing to name a woman as his running mate if he wins the nomination.
The former vice president and Vermont independent senator squared off in dramatically different surroundings than initially planned, Washington instead of Phoenix, and in CNN's studio instead of a 5,000-seat theater with a live audience — a venue change prompted by coronavirus fears as the nation goes into lockdown over the pandemic.