Voters in Pennsylvania's 18th district to choose next congressman

Описание: Voters in southwestern Pennsylvania are preparing to vote for their next congressman in the state's 18th congressional district. The special election is receiving national attention, and the region has seen rallies headlined by President Trump and former Vice President Joe Biden. PoliticsPA managing editor Paul Engelkemier joins CBSN to look at the keys to victory for each candidate and discuss what's at stake.