CBS News poll: Biden leads in Pennsylvania, even with Trump in Ohio
A new CBS News Battleground Tracker poll conducted after last week's debate, but before news of President Trump's COVID-19 diagnosis, shows Joe Biden leading in Pennsylvania and running even with the president in Ohio, CBS News director of elections and surveys Anthony Salvanto spoke to CBSN's "Red & Blue" host Elaine Quijano about why the Rust Belt states are especially important in this election.