Vaccination passports could further divide the U.S.
Tech companies are working on digital "vaccine passports" that could help the U.S. track people who have received coronavirus vaccines as more businesses and services reopen nationwide. Some researchers believe that this effort could end up further dividing an already fragmented country. Albert Fox Cahn, founder of the Surveillance Technology Oversight Project and a Wired contributor, joined "CBSN AM" to discuss.