people need to understand that. >> michael osterholm, thank you so much, jen palmieri, michael gerson, kristen welker, of course. >>> and meanwhile coronavirus cases are spiking among the meat processing plant employees. from south dakota where at least 733 cases are linked to a singling plant in sioux falls, all the way to georgia, where workers are testing positive for the virus after weeks of working in close quarters. nbc's blayne alexander's been tracking all of that and is now in atlanta. blai what are you seeing there? >> andrea, what we're learning from our reporting, what i'm learning, the employees we have spoken to inside these plants and reps, some workers say they're scared to go to work but, quite frankly, feel they do not have a choice. one of the plants we have been reporting on extensively is tyson foods plant in south georgia, andrea. that's where four employees have died. among them is willie martin's mother, annie grant. here's a little bit about what he told me about his mom. take a look. >> really, i don't know how i'm going to work. i'm sick. she's like, i know

. >> and we've also seen, jen palmieri, the dramatic change this week in the democratic election, the primary campaign is over. joe biden is the apparent nominee and is, again, making more concessions, just not everything bernie sanders obviously wants, but more concessions in the last 24 hours on health care saying the medicare should be lowered from 65 to 60 and expanding his previous concession on student loans, on tuition saying that people who make under $125,000 and go to historically black colleges or public schools, public colleges, should get free tuition. >> yes, and it's smart of the biden campaign to do this and i think to do this right out of the gate, just a day after sanders has dropped out two, a, not get bogged down in negotiations about what these proposals are going to be. but showed the sanders' supporters early on an openness to embracing some of these ideas. and i went through this process working for hillary clinton four years ago and working with senator sanders to try to win over the support of his people and it's not easy. i think the fact that the sanders' c

communications director from the obama white house and the hillary clinton 2016 presidential campaign, jen palmierior brad paschall who didn't tell america to drink bleach to clean their lungs. you've worked for candidates and for all the things you can say about george w. bush and john mccain, they actually took responsibility for their own fluctuations in the polls. >> there's so much here. first of all, the leaks, right? there's so many leaks. every outlet got their own scoop. >> a leak is to one outlet. this is in like six outlets. this isn't a leak. this is like a blast. >> it's like trump might as well have stood up at the podium himself and related all these dee details to us. it's as if trump doesn't appreciate that march and april happened. he thinks that biden is a weak nominee. he thinks the party is not actually very enthusiastly aligned behind biden and he seems to think he's not going to pay a price for tens of thousands of americans having died from coronavirus. he got briefed on wednesday about how his corona briefings were hurting him and went out on thursday and said people should