i thought one of the most emotional moments was ady barkan who lost his voice to als, backing biden. we heard him speaking before he lost his voice and then using the computer voice. >> after i was diagnosed, the president passed a tax bill that put my health care at risk. so i went to washington, d.c. >> democracy is beautiful! >> today we are witnessing the tragic consequences of our failing health care system. even during this terrible crisis, donald trump and republican politicians are trying to take away millions of people's health insurance. >> and we've just learned, this, as we say, breaking news, the supreme court will be hearing arguments on november 10, the week after the election, on major cases which would involve basically eliminating obamacare, the affordable care act, the week after the election. it is a major case. oral arguments. repeal of the obamacare act. so, chris lu, a lot at stake. >> a lot is at stake. this is an issue for joe biden, health care, that's not just a policy issue, it's a personal issue. it's something he had to deal with when his first wife pass