COVID-19 Survivors Mark July 4th; Michael J. Fox On Optimism

COVID-19 survivors added pops of yellow to their July 4th decor to show solidarity with the more than 600,000 people who have died of the disease in the U.S. Survivor Marjorie Roberts participated. And, Michael J. Fox talks about his book "No Time Like the Future: An Optimist Considers Mortality."