normally on a day like today, a beautiful day like this, that boardwalk over there on the beach would be packed. i don't see anybody anywhere near that boardwalk or in the waters, or certainly not on the beach right now. we'll continue to follow that story as well. >>> as the u.s. death toll from the coronavirus pandemic rises -- it's now about 67,000 -- the biggest question on a lot of people's mind is when will we see a real vaccine? more specifically, could it be ready by the start of 2021? it's an issue dr. deborah birx, a key member of the white house coronavirus task force, addressed earlier today. >> on paper, it's possible. it's whether we can execute and execute around the globe, because you also for phase three have to have active viral transmission in a community in order to study its efficacy. >> all right, let's discuss with dr. patrice harris. she's the president of the american medical association, and dr. jeremy faust, an emergency physician. dr. faust, you heard dr. birx say that on paper -- her words -- on paper, a vaccine is possible by early next year. in reality,