AP sources: Biden to pick Zients as his next chief of staff

Read MorePresident Joe Biden is expected to name Jeff Zients, who ran the administration’s response to the COVID-19 pandemic at the start of Biden’s term, as his next chief of staffPresident Joe Biden is expected to name Jeff Zients, who ran the administration’s response to the COVID-19 pandemic at the start of Biden’s term, as his next chief of staff