Sen. Bernie Sanders (I-VT) and former first lady Michelle Obama headlined the first night of the 2020 all-virtual Democratic National Convention. James Pethokoukis, Economic Policy Analyst and CNBC Contributor, and Julie Margetta Morgan, Vice President of Research at the Roosevelt Institute, discuss the big takeaways from the first night and look ahead to what voters and viewers can expect in this unprecedented political season. The FDA approved a new saliva test for COVID, developed by the Yale School of Public Health. Researcher Anne Wyllie says scientists hope to get results to patients the same day or within 24 hours. Big box chains like Walmart and Home Depot make huge gains as consumer spending shifts during the pandemic. Plus, the University of North Carolina abandons in-person classes after a COVID-19 outbreak, and Oracle enters the race to buy TikTok’s U.S. operations.