Joe Biden prepares for final debate as Obama hits the campaign trail

Joe Biden prepares for final debate as Obama hits the campaign trail

Joe Biden prepares for final debate as Obama hits the campaign trail

Democratic nominee Joe Biden has no public events scheduled Wednesday as he prepares for Thursday’s second and final presidential debate. Meanwhile, former President Barack Obama will make his first in-person campaign appearance on Biden’s behalf in Philadelphia. CBS News 2020 campaign reporter Bo Erickson joins CBSN to talk about the latest.