This hearing room, youre about to see on capitol hill, where two Top Health Officials are testifying on the race for a Coronavirus Vaccine. And you can bet theyll be asked about the global setback, the trial for one of the leading vaccine candidates on hold, plus what a patient in that trial is telling us. And 2020, with joe biden trying to turn the tide in the one area where polling shows the president is doing better than him, the economy. Biden, in michigan, to talk about his plan to build back better as President Trump gets back from his own battleground state swing. The scoop from what sources are telling me and my colleagues about his debate prep in the show. I was told we have 15,000 people here tonight. I really believe these crowds are bigger than they were four years ago. It is pretty amazing. Im Hallie Jackson in washington. Starting off this hour with nbcs Julia Ainsley at the Justice Department, carol lee at the white house, and were here with Barrett Berger who served as